WO2018045971A1 - 吡啶并五元芳香环类化合物、其制备方法及用途 - Google Patents
吡啶并五元芳香环类化合物、其制备方法及用途 Download PDFInfo
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- WO2018045971A1 WO2018045971A1 PCT/CN2017/100747 CN2017100747W WO2018045971A1 WO 2018045971 A1 WO2018045971 A1 WO 2018045971A1 CN 2017100747 W CN2017100747 W CN 2017100747W WO 2018045971 A1 WO2018045971 A1 WO 2018045971A1
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- 238000002360 preparation method Methods 0.000 title claims abstract description 848
- -1 aromatic ring compound Chemical class 0.000 title claims abstract description 165
- 150000001875 compounds Chemical class 0.000 claims abstract description 185
- 102100038970 Histone-lysine N-methyltransferase EZH2 Human genes 0.000 claims abstract description 31
- 101000882127 Homo sapiens Histone-lysine N-methyltransferase EZH2 Proteins 0.000 claims abstract description 31
- 239000003814 drug Substances 0.000 claims abstract description 8
- 208000023275 Autoimmune disease Diseases 0.000 claims abstract description 4
- 229940079593 drug Drugs 0.000 claims abstract description 4
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 53
- 238000000034 method Methods 0.000 claims description 49
- 229910052736 halogen Inorganic materials 0.000 claims description 45
- 150000002367 halogens Chemical class 0.000 claims description 45
- 125000003118 aryl group Chemical group 0.000 claims description 33
- 125000001424 substituent group Chemical group 0.000 claims description 31
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 29
- 150000003839 salts Chemical class 0.000 claims description 29
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 125000000623 heterocyclic group Chemical group 0.000 claims description 26
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 25
- 229910052717 sulfur Inorganic materials 0.000 claims description 25
- 125000001072 heteroaryl group Chemical group 0.000 claims description 24
- 125000005842 heteroatom Chemical group 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 24
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 23
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 22
- 229920006395 saturated elastomer Polymers 0.000 claims description 20
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 19
- 125000000217 alkyl group Chemical group 0.000 claims description 18
- 201000010099 disease Diseases 0.000 claims description 18
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 claims description 17
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 16
- 229910052698 phosphorus Inorganic materials 0.000 claims description 15
- 239000002585 base Substances 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 12
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 11
- 230000002829 reductive effect Effects 0.000 claims description 11
- 239000012453 solvate Substances 0.000 claims description 11
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 claims description 10
- 239000000651 prodrug Substances 0.000 claims description 10
- 229940002612 prodrug Drugs 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000014509 gene expression Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 9
- 206010028980 Neoplasm Diseases 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000012442 inert solvent Substances 0.000 claims description 8
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 8
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 7
- 230000035772 mutation Effects 0.000 claims description 7
- 239000008194 pharmaceutical composition Substances 0.000 claims description 7
- 239000012279 sodium borohydride Substances 0.000 claims description 7
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 7
- 239000012312 sodium hydride Substances 0.000 claims description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 230000005764 inhibitory process Effects 0.000 claims description 6
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims description 5
- 125000003277 amino group Chemical group 0.000 claims description 5
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 5
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 5
- 230000004663 cell proliferation Effects 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 claims description 5
- 238000000338 in vitro Methods 0.000 claims description 5
- 210000004881 tumor cell Anatomy 0.000 claims description 5
- 125000004765 (C1-C4) haloalkyl group Chemical group 0.000 claims description 4
- 125000004454 (C1-C6) alkoxycarbonyl group Chemical group 0.000 claims description 4
- 125000004916 (C1-C6) alkylcarbonyl group Chemical group 0.000 claims description 4
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims description 4
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 claims description 4
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- DTQVDTLACAAQTR-UHFFFAOYSA-M Trifluoroacetate Chemical compound [O-]C(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-M 0.000 claims description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 229940125904 compound 1 Drugs 0.000 claims description 3
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 claims description 3
- 239000003937 drug carrier Substances 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 3
- 125000006274 (C1-C3)alkoxy group Chemical group 0.000 claims description 2
- 125000004769 (C1-C4) alkylsulfonyl group Chemical group 0.000 claims description 2
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 2
- 125000004739 (C1-C6) alkylsulfonyl group Chemical group 0.000 claims description 2
- DQXKOHDUMJLXKH-PHEQNACWSA-N (e)-n-[2-[2-[[(e)-oct-2-enoyl]amino]ethyldisulfanyl]ethyl]oct-2-enamide Chemical compound CCCCC\C=C\C(=O)NCCSSCCNC(=O)\C=C\CCCCC DQXKOHDUMJLXKH-PHEQNACWSA-N 0.000 claims description 2
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 claims description 2
- 125000004648 C2-C8 alkenyl group Chemical group 0.000 claims description 2
- 125000004649 C2-C8 alkynyl group Chemical group 0.000 claims description 2
- FKXCLBPKFQGSEN-UHFFFAOYSA-N CCNN(C)CC(NC)N(CC)CC Chemical compound CCNN(C)CC(NC)N(CC)CC FKXCLBPKFQGSEN-UHFFFAOYSA-N 0.000 claims description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012448 Lithium borohydride Substances 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 125000002252 acyl group Chemical group 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- 125000002837 carbocyclic group Chemical group 0.000 claims description 2
- 125000004452 carbocyclyl group Chemical group 0.000 claims description 2
- 238000006482 condensation reaction Methods 0.000 claims description 2
- 125000001028 difluoromethyl group Chemical group [H]C(F)(F)* 0.000 claims description 2
- 150000008282 halocarbons Chemical class 0.000 claims description 2
- YNESATAKKCNGOF-UHFFFAOYSA-N lithium bis(trimethylsilyl)amide Chemical compound [Li+].C[Si](C)(C)[N-][Si](C)(C)C YNESATAKKCNGOF-UHFFFAOYSA-N 0.000 claims description 2
- IUBQJLUDMLPAGT-UHFFFAOYSA-N potassium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([K])[Si](C)(C)C IUBQJLUDMLPAGT-UHFFFAOYSA-N 0.000 claims description 2
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 230000001225 therapeutic effect Effects 0.000 claims description 2
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 claims description 2
- WRIKHQLVHPKCJU-UHFFFAOYSA-N sodium bis(trimethylsilyl)amide Chemical compound C[Si](C)(C)N([Na])[Si](C)(C)C WRIKHQLVHPKCJU-UHFFFAOYSA-N 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract description 8
- 230000002401 inhibitory effect Effects 0.000 abstract description 5
- 239000002246 antineoplastic agent Substances 0.000 abstract 1
- 229940041181 antineoplastic drug Drugs 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 319
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 210
- 238000003786 synthesis reaction Methods 0.000 description 166
- 230000015572 biosynthetic process Effects 0.000 description 165
- 238000005481 NMR spectroscopy Methods 0.000 description 157
- 235000019439 ethyl acetate Nutrition 0.000 description 148
- 238000005160 1H NMR spectroscopy Methods 0.000 description 73
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 56
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 52
- OKKJLVBELUTLKV-VMNATFBRSA-N methanol-d1 Chemical compound [2H]OC OKKJLVBELUTLKV-VMNATFBRSA-N 0.000 description 51
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 45
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 38
- 238000006243 chemical reaction Methods 0.000 description 38
- 239000000203 mixture Substances 0.000 description 36
- 239000012074 organic phase Substances 0.000 description 36
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 35
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 31
- 238000000746 purification Methods 0.000 description 30
- 238000004440 column chromatography Methods 0.000 description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 27
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 26
- RWTNPBWLLIMQHL-UHFFFAOYSA-N fexofenadine Chemical group C1=CC(C(C)(C(O)=O)C)=CC=C1C(O)CCCN1CCC(C(O)(C=2C=CC=CC=2)C=2C=CC=CC=2)CC1 RWTNPBWLLIMQHL-UHFFFAOYSA-N 0.000 description 25
- 0 C*(C)C1=C(*)C(*)=C(*)N(*)C1=O Chemical compound C*(C)C1=C(*)C(*)=C(*)N(*)C1=O 0.000 description 22
- 239000011541 reaction mixture Substances 0.000 description 21
- 229910052757 nitrogen Inorganic materials 0.000 description 19
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 19
- 125000004432 carbon atom Chemical group C* 0.000 description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 16
- 238000000926 separation method Methods 0.000 description 16
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 15
- 239000011734 sodium Substances 0.000 description 15
- 238000003756 stirring Methods 0.000 description 15
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 14
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 14
- 238000001514 detection method Methods 0.000 description 14
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 14
- 238000002347 injection Methods 0.000 description 14
- 239000007924 injection Substances 0.000 description 14
- 239000012071 phase Substances 0.000 description 14
- XGVXKJKTISMIOW-ZDUSSCGKSA-N simurosertib Chemical compound N1N=CC(C=2SC=3C(=O)NC(=NC=3C=2)[C@H]2N3CCC(CC3)C2)=C1C XGVXKJKTISMIOW-ZDUSSCGKSA-N 0.000 description 14
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 14
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 13
- 150000002148 esters Chemical class 0.000 description 13
- 239000007787 solid Substances 0.000 description 13
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide Substances NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 12
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 12
- 125000004194 piperazin-1-yl group Chemical group [H]N1C([H])([H])C([H])([H])N(*)C([H])([H])C1([H])[H] 0.000 description 11
- 239000000243 solution Substances 0.000 description 11
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 10
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 10
- 239000007791 liquid phase Substances 0.000 description 10
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 10
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 9
- 239000012043 crude product Substances 0.000 description 9
- 238000010992 reflux Methods 0.000 description 9
- 229920002554 vinyl polymer Polymers 0.000 description 9
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 8
- 101100465401 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SCL1 gene Proteins 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 239000012267 brine Substances 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 8
- 239000001301 oxygen Chemical group 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 238000004809 thin layer chromatography Methods 0.000 description 8
- 108010033040 Histones Proteins 0.000 description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 125000005394 methallyl group Chemical group 0.000 description 7
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 7
- 125000006239 protecting group Chemical group 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 239000011593 sulfur Chemical group 0.000 description 7
- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 description 6
- PCJPGNCABBDNJU-UHFFFAOYSA-N 3-(aminomethyl)-4,6-dimethyl-1h-pyridin-2-one Chemical compound CC1=CC(C)=C(CN)C(=O)N1 PCJPGNCABBDNJU-UHFFFAOYSA-N 0.000 description 6
- JRNVZBWKYDBUCA-UHFFFAOYSA-N N-chlorosuccinimide Chemical compound ClN1C(=O)CCC1=O JRNVZBWKYDBUCA-UHFFFAOYSA-N 0.000 description 6
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- OJCSPXHYDFONPU-UHFFFAOYSA-N etoac etoac Chemical compound CCOC(C)=O.CCOC(C)=O OJCSPXHYDFONPU-UHFFFAOYSA-N 0.000 description 6
- WUPMMDMBNFWZTG-UHFFFAOYSA-N imidazo[1,5-a]pyridine-7-carboxamide Chemical compound C=1N=CN2C=1C=C(C=C2)C(=O)N WUPMMDMBNFWZTG-UHFFFAOYSA-N 0.000 description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 6
- ZSKGQVFRTSEPJT-UHFFFAOYSA-N pyrrole-2-carboxaldehyde Chemical compound O=CC1=CC=CN1 ZSKGQVFRTSEPJT-UHFFFAOYSA-N 0.000 description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 5
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 5
- DOEQLKDKJVHZND-UHFFFAOYSA-N 3-(aminomethyl)-4-methoxy-6-methyl-1h-pyridin-2-one Chemical compound COC1=CC(C)=NC(O)=C1CN DOEQLKDKJVHZND-UHFFFAOYSA-N 0.000 description 5
- 101000584499 Homo sapiens Polycomb protein SUZ12 Proteins 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 5
- 102100030702 Polycomb protein SUZ12 Human genes 0.000 description 5
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Chemical compound CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 5
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 description 5
- 229960000583 acetic acid Drugs 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 125000002619 bicyclic group Chemical group 0.000 description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 5
- 125000000753 cycloalkyl group Chemical group 0.000 description 5
- 125000001183 hydrocarbyl group Chemical group 0.000 description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 125000000250 methylamino group Chemical group [H]N(*)C([H])([H])[H] 0.000 description 5
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
- A61K31/444—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring heteroatom, e.g. amrinone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/445—Non condensed piperidines, e.g. piperocaine
- A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
- A61K31/4545—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5377—1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
Definitions
- the invention belongs to the field of medicinal chemistry.
- the present invention relates to a pyridinium pentavalent aromatic ring compound or a pharmaceutically acceptable salt thereof, a process for the preparation thereof and use thereof, and a compound of the present invention can be used for the treatment of Drosophila zeste gene enhancer homolog 2 (EZH2) Related diseases such as malignant tumors.
- EZH2 Drosophila zeste gene enhancer homolog 2
- Epigenetics refers to the fact that the nucleotide sequence of a gene does not change, but gene expression has undergone heritable changes, which play an important role in regulating cell proliferation, differentiation, survival and apoptosis.
- An important mechanism of epigenetic regulation is histone covalent modification.
- DNA surrounds the basic structural nucleosomes that form chromatin around histones.
- Two molecules of H2A, H2B, H3 and H4 in each nucleosome form a histone octamer.
- a variety of covalent modifications such as methylation, acetylation, phosphorylation, ubiquitination, etc., occur at the N-terminal amino acid end of each histone to control gene expression.
- Enzymes that catalyze the methylation of histones are called histone methyltransferases (HMTs).
- the polycombine PRC2 is a multiprotein complex that functions to catalyze the methylation of the lysine (H3K27) at position 27 of histone H3, thereby causing silencing of related genes.
- the catalytic subunit of PRC2 is EZH1 or EZH2.
- EZH1 or EZH2 alone has no catalytic function and must be combined with EED and SUZ12 to exert transmethylation.
- EZH2 is highly expressed in cells of various tumors (such as breast cancer, colorectal cancer, endometrioma, gastric cancer, liver cancer, kidney cancer, lung cancer, melanoma, ovarian cancer, pancreatic cancer, prostate cancer and bladder cancer). Tumor cell proliferation, invasion, drug resistance and migration are closely related.
- EZH2 has been found to be mutated in 8-24% of non-Hodgkin's lymphomas, such as Y641F, Y641N, Y641S, Y641H, A677G and A687V. These mutants have enhanced dimethylation and trimethylation catalytic functions of histone H3 at position 27 of lysine compared to wild-type EZH2.
- Overexpression or mutation of EZH2 causes an increase in the level of 27 lysine trimethylation products (H3K27me3) in H3.
- High levels of H3K27me3 play an important role in tumor cell proliferation and survival. Abnormal EZH2 activity leads to the development of tumors.
- the multiple target genes regulated by EZH2 are tumor suppressor genes, and the silencing of tumor suppressor genes may be one of the important mechanisms. Indirect inhibition of EZH2 by siRNA or shRNA or indirect inhibition of EZH2 with the SAH hydrolase inhibitor 3-deazaneplanocin A (3-DZNep) can significantly reduce the proliferation and invasion of tumor cells in vitro and the growth of tumors in vivo.
- EZH2 also plays an important role in the differentiation of T cells. EZH2 reduces the expression of Th1/Th2 cytokines, such as IFN- ⁇ , IL-4, IL-5, etc., inhibits Th1/Th2-dependent T cell migration, and activates regulatory T cells. In the tumor microenvironment, EZH2 inhibits Th1 chemokines, such as CXCL9 and CXCL10, and is an important mechanism for tumor immune escape.
- Th1/Th2 cytokines such as IFN- ⁇ , IL-4, IL-5, etc.
- the compounds of the present invention have a clear structure-activity relationship and have an inhibitory effect on wild-type and/or mutant EZH2, and are expected to be novel drugs for anti-tumor or autoimmune diseases.
- a compound of formula I a pharmaceutically acceptable salt thereof, an enantiomer, a diastereomer, a tautomer, a solvate thereof, a polymorph Or prodrug,
- X 1 is CR 4 or N;
- X 2 is CR 5 or N
- X 3 is CR 6 or N; and at most one of X 1 , X 2 , X 3 is N;
- R 4 is selected from H, halogen, substituted or unsubstituted C1-C6 alkyl
- R 5 or R 6 is selected from H, halogen, -COOH, -CN, substituted or unsubstituted 5-8 membered aryl, substituted or unsubstituted 5-8 membered heteroaryl, substituted or unsubstituted 5-8 A aryl-substituted or unsubstituted 5-8 membered heterocyclic group, a substituted or unsubstituted 5-8 membered heteroaryl-substituted or unsubstituted 5-8 membered heterocyclic group, substituted or unsubstituted 5- 8-membered aryl-substituted or unsubstituted 5-8 membered carbocyclic group, substituted or unsubstituted 5-8 membered heteroaryl and substituted or unsubstituted 5-8 membered carbocyclic group, substituted or unsubstituted 4 -8 membered saturated or unsaturated carbocyclic group, substituted or unsubstituted
- R a and R b are each independently selected from H, halogen, substituted or unsubstituted C1-C6 alkyl, substituted or unsubstituted 5-8 membered carbocyclic ring, substituted or unsubstituted 5-8 membered heterocyclic ring. Or R a and R b are bonded to N to form a substituted or unsubstituted 4-8 membered heterocyclic ring; wherein said heterocyclic ring contains 1-3 heteroatoms selected from N, O, S, P;
- R 1 is selected from
- R 2 is selected from H, halogen, substituted or unsubstituted C1-C6 alkyl, substituted or unsubstituted aryl;
- R 3 is selected from And when R 1 is When R 3 is
- R 7 is selected from H, substituted or unsubstituted C1-C6 alkyl
- R 8 and R 9 are each independently selected from H, substituted or unsubstituted C1-C6 alkyl
- Y is selected from
- R 12 and R 13 are each independently selected from H, substituted or unsubstituted C1-C4 alkyl
- R 14 and R 15 are each independently selected from H, halogen, -NH 2 , -NO 2 , -CF 3 , substituted or unsubstituted C1-C4 alkyl, substituted or unsubstituted C1-C4 alkoxy, substituted Or unsubstituted (CH 2 ) n NR c R d , or R 14 and R 15 are bonded to form a 5-6 membered saturated heterocyclic ring, or R 14 and R 15 are bonded to form a 5-6 membered aromatic ring; n is 0-4 Integer
- R 16 is H, substituted or unsubstituted C1-C4 alkyl
- R 17 and R 19 are each independently selected from H, substituted or substituted C1-C4 alkyl, substituted or unsubstituted C1-C4 alkoxy, -(CH 2 ) n NR c R d ; wherein n is 0 An integer of -4;
- R 18 is selected from H, halogen, -NH 2 , -NO 2 , substituted or substituted C1-C4 alkyl, substituted or unsubstituted C1-C4 alkoxy, substituted or unsubstituted (CH 2 ) n NR c R d ; wherein n is an integer from 0 to 4;
- R 20 and R 21 are each independently selected from H, substituted or substituted C1-C4 alkyl
- R 22 is selected from H, substituted or unsubstituted C1-C4 alkyl; Substituted or unsubstituted C1-C4 alkoxy;
- R c and R d are each independently selected from H, substituted or unsubstituted C1-C4 alkyl;
- Z is selected from N or CH
- R 10 and R 11 are each independently selected from: H, -OH, substituted or unsubstituted C1-C6 alkyl, -OR e , substituted or unsubstituted 4-8 membered heterocyclic group, substituted or unsubstituted 4 -8 membered carbocyclyl, substituted or unsubstituted 5-8 membered aryl, -NR f R g ; wherein said heterocyclic ring contains 1-3 heteroatoms selected from N, O, S, P;
- substituted means having one or more (eg 1, 2, 3 or 4) substituents selected from Group B;
- R e is selected from H, substituted or unsubstituted C1-C6 alkyl, substituted or unsubstituted C2-C6 alkenyl, substituted or unsubstituted C2-C6 alkynyl, substituted or unsubstituted saturated or unsaturated 4 -8 membered carbocyclic ring, substituted or unsubstituted saturated or unsaturated 4-8 membered heterocyclic ring, substituted or unsubstituted 5-8 membered aryl group, substituted or unsubstituted 5-8 membered heteroaryl group, -(CH 2 ) p (substituted or unsubstituted 5-8 membered aryl), -(CH 2 )p (substituted or unsubstituted 5-8 membered heteroaryl); wherein the heterocyclic or heteroaryl group comprises 1 a hetero atom selected from N, O, S, P; p is an integer from 0 to 3;
- R f and R g are each independently selected from: H, a substituted or unsubstituted C 1 -C 6 alkyl group, wherein the substituent is -OH, C 1 -C 4 alkoxy, or -NR s R t ;
- Group B substituents are selected from the group consisting of H, -OH, halogen, unsubstituted or substituted C1-C6 alkyl, -NR s R t , -NO 2 , substituted or unsubstituted C1-C6 alkoxycarbonyl, substituted Or unsubstituted C1-C6 alkylsulfonyl group, substituted or unsubstituted C1-C6 alkylcarbonyl group, substituted or unsubstituted C1-C6 alkoxy group, substituted or unsubstituted 4-6 membered heterocyclic group, substituted Or unsubstituted C5-C8 heteroaryl, Boc, benzyl; wherein the heteroaryl group contains 1-3 heteroatoms selected from N, O, S or P;
- the "substituted” refers to having one or more (eg 1, 2, 3 or 4) substituents selected from Group C: H, halogen, -OH, -CN, C1-C4 alkyl, C1-C4 alkoxy, -NR s R t , 5-8 membered aryl, 4-8 membered heterocyclic group, Boc, C1-C4 acyl group
- substituents selected from Group C: H, halogen, -OH, -CN, C1-C4 alkyl, C1-C4 alkoxy, -NR s R t , 5-8 membered aryl, 4-8 membered heterocyclic group, Boc, C1-C4 acyl group
- substitution is one or more (eg 1, 2, 3 or 4) substituents;
- the "substituted” refers to one or more (eg 1, 2, 3 or 4) substituents selected from Group D: H, halogen, C1-C4 alkyl, C1-C4 haloalkyl, nitrate Base, -OH, amino group;
- R s and R t are each independently selected from the group consisting of: H, C1-C4 alkyl, C1-C4 haloalkyl.
- R 10 is a substituted or unsubstituted C1-C4 alkoxy group, a substituted or unsubstituted C1-C4 alkyl group.
- R 10 is selected from methyl or ethyl.
- R 11 is selected from the group consisting of -OH, -OR e , -NR f R g ,
- R e is selected from the group consisting of substituted or unsubstituted C1-C4 alkyl, allyl, isobutenyl, propargyl, cyclohexane, cyclohexenyl,
- R e1 is selected from the group consisting of H, halogen, C1-C4 alkoxy, phenyl; and R e1 is 1-3; R e2 is selected from -NO 2 , -NH 2 , -N(CH 3 ) 2 ; E3 is selected from the group consisting of H, halogen, -NR s R t , substituted or unsubstituted C1-C4 alkyl (preferably methyl);
- R f is H, substituted or unsubstituted C 1 -C 4 alkyl
- R g is C1-C4 alkoxy or -NR s R t substituted C1-C4 alkyl, or cyclopentyl;
- R h is selected from H, halogen
- R i is selected from H, unsubstituted or substituted C1-C4 alkyl, substituted or unsubstituted C1-C4 alkylcarbonyl, substituted or unsubstituted C1-C4 alkoxycarbonyl, substituted or unsubstituted C1-C4 Alkylsulfonyl, trifluoromethyl C1-C2 alkyl, difluoromethyl C1-C2 alkyl, -NR s R t , Wherein R h1 is selected from the group consisting of -OH, -CN, and C1-C4 alkyl;
- R j is selected from the group consisting of: -OH, halogen, C1-C4 alkoxy, -NR s R t , Wherein R j1 is selected from a C 1 -C 4 alkoxy group (preferably dimethylamino, -OH, -NH 2 , methoxy);
- R j ' is selected from: H or halogen
- R j is halogen
- R j ' is halogen
- R k is selected from the group consisting of: H, -OH, C1-C4 alkoxy,
- R l is selected from the group consisting of: H, -NR s R t , preferably H or dimethylamino;
- R m is selected from the group consisting of: H, -NR s R t , preferably H or dimethylamino;
- R n is selected from the group consisting of trifluoromethyl C1-C4 alkyl, preferably CF 3 CH 2 -.
- R 5 or R 6 are each independently selected from: H, substituted or unsubstituted C1-C4 alkyl, -CN, halogen, C1-C4 alkylcarbonyl, R 51 (C1-C4 alkane) Oxy)carbonyl, R 52 C(O)-, -COOH, -C(O)(NR a R b ), R 57 (C1-C3)alkylalkynyl;
- R 51 is selected from the group consisting of dimethylamino groups
- R b ' is selected from the group consisting of H, C 1 -C 4 alkyl, Boc, C 1 -C 4 acyl;
- R 52 is selected from
- R a is selected from H, substituted or unsubstituted C1-C4 alkyl
- R b is selected from H, substituted or unsubstituted C1-C4 alkyl, a cyclopentyl group, R b" (C1-C4)alkyl; wherein X is a hetero atom selected from N, O or S;
- R 55 is selected from 1-3 lower group substituents: H, R 551 C1-C4 alkyl, halogen, -CN, -NH 2 , (R 551 C1-C4 alkyl) NH-, (R 551 C1- C4 alkyl)O-, dimethylamino, -CH 2 (Me) 2 , R 551 (C1-C6)alkyl OC(O)-, -COOH, -C(O)(NR a R b ); wherein R 551 is H, -OH, C1-C4 alkoxy, amino, dimethyl Amine, methylamino, diethylamino, methylethylamino, ethylamine, Wherein R 541 is selected from the group consisting of H, C1-C4 alkyl;
- R 57 is selected from (C1-C4)alkyl, Dimethylamino group
- R b" is selected from the group consisting of -OH, C1-C3 alkoxy, dimethylamino,
- the compound of formula I has the structure of formula Ia:
- R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are as defined above.
- R 2 , R 4 , R 7 -R 9 , R 12 -R 22 , R a , R b , R c , R d , R e are substituted with a substituent selected from the group consisting of halogen; , C1-4 alkyl, trifluoromethyl, amino, nitro, -OH.
- R 7 is H.
- Z is CH.
- R 2 is a methyl group.
- the compound is selected from the group consisting of:
- the compound of formula I is selected from compound 1 - compound 151.
- compound d is reduced to form compound e
- the reducing agent being selected from the group consisting of sodium borohydride, lithium borohydride, potassium borohydride, or a combination thereof;
- the base is selected from the group consisting of sodium hydride, potassium t-butoxide, sodium hydroxide, potassium hydroxide, n-butyllithium, lithium diisopropylamide, lithium hexamethyldisilazide, hexamethyldisiloxane Sodium amide, potassium hexamethyldisilazide, potassium carbonate, Barium carbonate, sodium carbonate, or a combination thereof;
- the hydrocarbylating agent is selected from the group consisting of halogenated hydrocarbons, mesylate, p-toluenesulfonate, trifluoroacetate, triflate, or combinations thereof;
- R 2 , R 3 , R 7 , R 8 , R 9 , R 10 , T 1 , R e , R f , X 1 , X 2 , X 3 and Y are as defined above, and R k is C1 -C4 straight or branched alkyl.
- the method before the step (1), further comprises the step (1-1): reacting the compound a with b in the presence of a catalyst in an inert solvent to form a compound d,
- the inert solvent is selected from the group consisting of isopropanol, ethanol, methanol, tetrahydrofuran, chloroform, N,N-dimethylformamide, N, N-dimethylacetamide, dimethyl sulfoxide, or a combination thereof.
- the catalyst in the step (1-1), is selected from the group consisting of cesium carbonate, potassium carbonate, sodium carbonate, potassium phosphate, triethylamine, 1,8-diazabicyclo ring.
- the undeca-7-ene or the like is an alkali or ammonium acetate, a piperidine acetate salt, or a combination thereof.
- the method before the step (1), further comprises the step (1-1'): in an inert solvent, a compound Michael undergoes a Michael addition reaction with the compound c under basic conditions to form a compound d,
- the solvent is selected from the group consisting of N,N-dimethylformamide, N,N-dimethylacetamide, dimethyl sulfoxide. , tetrahydrofuran, or a combination thereof.
- the base is selected from the group consisting of cesium carbonate, potassium carbonate, sodium carbonate, potassium phosphate, or a combination thereof.
- the invention provides a process for the preparation of a compound of formula I according to the first aspect of the invention, wherein the compound of formula I has the structure shown in formula I-2, comprising the steps of:
- compound j is condensed with an amine compound to form compound I-2;
- R 2 , R 3 , R 7 , R 8 , R 9 , R 10 , R e , R f , R k , X 1 , X 2 , X 3 and Y are as defined above.
- the inert solvent is selected from the group consisting of tetraisopropyltitanium oxide, tetrahydrofuran, acetic acid, trifluoroacetic acid, or a combination thereof.
- the reducing agent is selected from the group consisting of sodium borohydride, sodium cyanoborohydride, sodium triacetoxyborohydride, or a combination thereof.
- R 10 ' is a substituted or unsubstituted C1-C6 alkyl group, a substituted or unsubstituted C2-C6 alkenyl group, a substituted or unsubstituted C2-C6 alkynyl group, a substituted or unsubstituted saturated or not a saturated 4-8 membered heterocyclic group, a substituted or unsubstituted saturated or unsaturated 4-8 membered carbocyclic group, a substituted or unsubstituted 5-8 membered aryl group, saturated or unsaturated; wherein said heterocyclic ring comprises 1-3 heteroatoms selected from N, O, S, P; and said "substituted" means having one or more selected from Group B as described in the first aspect of the invention (eg 1, 2, 3 or 4) substituents;
- R 2 , R 3 , R 7 , R 8 , R 9 , R 10 , R e , R f , R k , X 1 , X 2 , X 3 and Y are as defined above.
- a pharmaceutical composition comprising:
- a compound of the formula I according to the first aspect of the invention a pharmaceutically acceptable salt thereof, an enantiomer, a diastereomer, a tautomer, a solvate thereof, a polymorph Or prodrug;
- a compound of formula I a pharmaceutically acceptable salt thereof, an enantiomer, a diastereomer thereof, a tautomer thereof,
- a solvate, polymorph or prodrug selected from the group consisting of:
- the disease associated with EZH2 mutation, activity or expression is selected from the group consisting of a tumor or an autoimmune disease.
- the disease associated with EZH2 mutation, activity or expression is selected from the group consisting of B cell lymphoma, malignant rhabdomyomas, synovial sarcoma, breast cancer, colorectal cancer, endometrioma, Gastric cancer, liver cancer, kidney cancer, lung cancer, melanoma, ovarian cancer, pancreatic cancer, prostate cancer, or bladder cancer.
- the term “about” means that the value can vary by no more than 1% from the recited value.
- the expression “about 100” includes all values between 99 and 101 and (eg, 99.1, 99.2, 99.3, 99.4, etc.).
- the terms "containing” or “including” may be open, semi-closed, and closed. In other words, the terms also include “consisting essentially of,” or “consisting of.”
- reaction can be carried out and purified using the manufacturer's instructions for use of the kit, or in a manner well known in the art or as described in the present invention.
- the above techniques and methods can generally be carried out according to conventional methods well known in the art, as described in the various summaries and more specific references cited and discussed in this specification.
- group and its substituents can be selected by those skilled in the art to provide stable structural moieties and compounds.
- substituent When a substituent is described by a conventional chemical formula written from left to right, the substituent also includes the chemically equivalent substituent obtained when the structural formula is written from right to left.
- substituent -CH 2 O- is equivalent to -OCH 2 -.
- C1-C6 alkyl refers to an alkyl group as defined below having a total of from 1 to 6 carbon atoms.
- the total number of carbon atoms in the simplified symbol does not include carbon that may be present in the substituents of the group.
- halogen means fluoro, chloro, bromo or iodo.
- Haldroxy means an -OH group.
- Hydroalkyl means an alkyl group as defined below which is substituted by a hydroxy group (-OH).
- Niro means -NO 2 .
- Amino means -NH 2 .
- Substituted amino means an amino group substituted with one or two alkyl, alkylcarbonyl, aralkyl, heteroaralkyl groups as defined below, for example, monoalkylamino, dialkylamino, alkyl Amido, aralkylamino, heteroarylalkyl Amino group.
- Carboxyl means -COOH.
- alkyl means a fully saturated straight or branched hydrocarbon chain group, It consists solely of carbon atoms and hydrogen atoms, has, for example, 1 to 12 (preferably 1 to 8, more preferably 1 to 6) carbon atoms, and is bonded to the rest of the molecule by a single bond, for example including but not limited to Methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, 2-methylbutyl, 2,2-dimethylpropyl , n-hexyl, heptyl, 2-methylhexyl, 3-methylhexyl, octyl, decyl and decyl.
- alkyl means a fully saturated straight or branched hydrocarbon chain group, It consists solely of carbon atoms and hydrogen atoms, has, for example, 1 to 12 (preferably 1 to 8, more
- alkenyl as a group or part of another group means consisting only of carbon atoms and hydrogen atoms, containing at least one double bond, having, for example, 2 to 14 (preferably 2 to 10) And more preferably 2 to 6) carbon atoms and a straight or branched hydrocarbon chain group attached to the remainder of the molecule by a single bond, such as, but not limited to, vinyl, propenyl, allyl, butyl- 1-Alkenyl, but-2-enyl, pent-1-enyl, pentane-1,4-dienyl and the like.
- cycloalkyl as a group or part of another group means a stable non-aromatic monocyclic or polycyclic hydrocarbon group consisting solely of carbon atoms and hydrogen atoms, which may include a fused ring. a system, a bridged ring system or a spiro ring system having from 3 to 15 carbon atoms, preferably from 3 to 10 carbon atoms, more preferably from 3 to 8 carbon atoms, and which is saturated or unsaturated and may be via any suitable
- the carbon atom is attached to the rest of the molecule by a single bond. Unless otherwise specifically indicated in the specification, a carbon atom in a cyclic hydrocarbon group may be optionally oxidized.
- cycloalkyl groups include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, cyclopentenyl, cyclohexyl, cyclohexenyl, cyclohexadienyl, cycloheptyl, cyclooctyl, 1H-indole Base, 2,3-indanyl, 1,2,3,4-tetrahydro-naphthyl, 5,6,7,8-tetrahydro-naphthyl, 8,9-dihydro-7H-benzo Cycloheptene-6-yl, 6,7,8,9-tetrahydro-5H-benzocycloheptenyl, 5,6,7,8,9,10-hexahydro-benzocyclooctenyl, Indenyl, bicyclo[2.2.1]heptyl, 7,7-dimethyl-bicyclo[2.2.1]heptyl, bi
- heterocyclyl as a group or part of another group means consisting of 2 to 14 carbon atoms and 1 to 6 heteroatoms selected from the group consisting of nitrogen, phosphorus, oxygen and sulfur.
- a heterocyclic group may be a monocyclic, bicyclic, tricyclic or more cyclic ring system, which may include a fused ring system, a bridged ring system or a spiro ring system;
- the nitrogen, carbon or sulfur atom may optionally be oxidized; the nitrogen atom may optionally be quaternized; and the heterocyclic group may be partially or fully saturated.
- the heterocyclic group may be attached to the remainder of the molecule via a carbon atom or a hetero atom and through a single bond.
- one or more of the rings may be an aryl or heteroaryl group as defined hereinafter, provided that the point of attachment to the rest of the molecule is a non-aromatic ring atom.
- the heterocyclic group is preferably a stable 4 to 11 membered non-aromatic monocyclic, bicyclic, bridged or spiro group containing from 1 to 3 heteroatoms selected from nitrogen, oxygen and sulfur.
- heterocyclic groups include, but are not limited to, pyrrolidinyl, morpholinyl, piperazinyl, homopiperazinyl, piperidinyl, thiomorpholinyl, 2,7-diaza-spiro[3.5]fluorene.
- Alkan-7-yl 2-oxa-6-aza-spiro[3.3]heptane-6-yl, 2,5-diaza-bicyclo[2.2.1]heptan-2-yl, aza Cyclobutane, pyranyl, tetrahydropyranyl, thiopyranyl, tetrahydrofuranyl, oxazinyl, dioxocyclopentyl, tetrahydroisoquinolinyl, decahydroisoquinolinyl, imidazolinyl, Imidazolidinyl, quinazolinyl, thiazolidinyl, isothiazolidinyl, isoxazolidinyl, indanyl, octahydroindenyl, octahydroisodecyl, pyrrolidinyl, pyrazolidinyl , phthalimido and the like.
- aryl as a group or part of another group means a conjugated hydrocarbon ring system group having 6 to 18 carbon atoms, preferably having 6 to 10 carbon atoms.
- an aryl group may be a monocyclic, bicyclic, tricyclic or more cyclic ring system, and may also be fused to a cycloalkyl or heterocyclic group as defined above, provided that the aryl group is via The atoms on the aromatic ring are connected to the rest of the molecule by a single bond.
- aryl groups include, but are not limited to, phenyl, naphthyl, anthryl, phenanthryl, anthracenyl, 2,3-dihydro-1H-isoindolyl, 2-benzoxazolinone, 2H-1, 4- Benzooxazine-3(4H)-one-7-yl and the like.
- arylalkyl refers to an alkyl group as defined above substituted with an aryl group as defined above.
- heteroaryl as a group or part of another group means having from 1 to 15 carbon atoms (preferably having from 1 to 10 carbon atoms) and from 1 to 6 selected from nitrogen in the ring. a 5- to 16-membered conjugated ring system of a hetero atom of oxygen and sulfur. Unless otherwise specifically indicated in the specification, a heteroaryl group may be a monocyclic, bicyclic, tricyclic or more cyclic ring system, and may also be fused to a cycloalkyl or heterocyclic group as defined above, provided that The aryl group is attached to the remainder of the molecule via a single bond through an atom on the aromatic ring.
- the nitrogen, carbon or sulfur atom in the heteroaryl group can be optionally oxidized; the nitrogen atom can optionally be quaternized.
- the heteroaryl group is preferably a stable 5- to 12-membered aromatic group containing from 1 to 5 heteroatoms selected from nitrogen, oxygen and sulfur, more preferably from 1 to 4 selected
- heteroaryl groups include, but are not limited to, thienyl, imidazolyl, pyrazolyl, thiazolyl, oxazolyl, oxadiazolyl, isoxazolyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, Benzimidazolyl, benzopyrazolyl, fluorenyl, furyl, pyrrolyl, triazolyl, tetrazolyl, triazinyl, pyridazinyl, isodecyl, oxazolyl, isoxazolyl , fluorenyl, quinolyl, isoquinolyl, diaza naphthyl, naphthyridinyl, quinoxalinyl, pteridinyl, oxazolyl, porphyrin, phenanthryl, phenanthroline, acridine Base, phenazinyl
- heteroarylalkyl refers to an alkyl group as defined above which is substituted by a heteroaryl group as defined above.
- “optionally” or “optionally” means that the subsequently described event or condition may or may not occur, and that the description includes both the occurrence and non-occurrence of the event or condition.
- “optionally substituted aryl” means that the aryl group is substituted or unsubstituted, and the description includes both the substituted aryl group and the unsubstituted aryl group.
- substituents described in the claims and the specification of the present invention are selected from the group consisting of alkyl, alkenyl, alkynyl, halogen, haloalkyl, haloalkenyl, haloalkynyl, cyano, nitro
- a chemical moiety refers to a particular fragment or functional group in a molecule.
- a chemical moiety is generally considered to be a chemical entity that is embedded or attached to a molecule.
- Stepoisomer refers to a compound composed of the same atoms bonded by the same bond but having a different three-dimensional structure.
- the invention will cover various stereoisomers and mixtures thereof.
- the compounds of the present invention are intended to include E- and Z-geometric isomers unless otherwise stated.
- Tautomer refers to an isomer formed by the transfer of a proton from one atom of a molecule to another atom of the same molecule. All tautomeric forms of the compounds of the invention will also be embraced within the scope of the invention.
- the compounds of the invention may contain one or more chiral carbon atoms, and thus may give rise to enantiomers, diastereomers, and other stereoisomeric forms.
- Each chiral carbon atom can be defined as (R)- or (S)- based on stereochemistry.
- the invention is intended to include all possible isomers, as well as racemic and optically pure forms thereof.
- the preparation of the compounds of the invention may employ racemates, diastereomers or enantiomers as starting materials or intermediates.
- Optically active isomers can be prepared using chiral synthons or chiral reagents, or resolved using conventional techniques, such as by crystallization and chiral chromatography.
- pharmaceutically acceptable salt includes pharmaceutically acceptable acid addition salts and pharmaceutically acceptable base addition salts.
- “Pharmaceutically acceptable acid addition salt” means a salt formed with an inorganic or organic acid which retains the bioavailability of the free base without any other side effects.
- Inorganic acid salts include, but are not limited to, hydrochlorides, hydrobromides, sulfates, nitrates, phosphates, and the like; organic acid salts include, but are not limited to, formate, acetate, 2,2-dichloroacetate , trifluoroacetate, propionate, hexanoate, octoate, decanoate, undecylenate, glycolate, gluconate, lactate, sebacate, hexane Acid salt, glutarate, malonate, oxalate, maleate, succinate, fumarate, tartrate, citrate, palmitate, stearate, oleate , cinnamate, laurate, malate, glutamate, pyroglutamate, aspartate, benzoate, me
- “Pharmaceutically acceptable base addition salt” refers to a salt formed with an inorganic or organic base which is capable of retaining the biological effectiveness of the free acid without other side effects.
- Salts derived from inorganic bases include, but are not limited to, sodium salts, potassium salts, lithium salts, ammonium salts, calcium salts, magnesium salts, iron salts, zinc salts, copper salts, manganese salts, aluminum salts, and the like.
- Preferred inorganic salts are ammonium, sodium, potassium, calcium and magnesium salts.
- Salts derived from organic bases include, but are not limited to, the following salts: primary amines, secondary amines and tertiary amines, substituted amines, including naturally substituted amines, cyclic amines, and basic ion exchange resins.
- ammonia isopropylamine, trimethylamine, diethylamine, triethylamine, tripropylamine, ethanolamine, diethanolamine, triethanolamine, dimethylethanolamine, 2-dimethylaminoethanol, 2-diethylaminoethanol, bicyclo Hexylamine, lysine, arginine, histidine, caffeine, procaine, choline, betaine, ethylenediamine, glucosamine, methylglucamine, theobromine, hydrazine, piperazine, piperazine Pyridine, N-ethylpiperidine, polyamine resin, and the like.
- Preferred organic bases include isopropylamine, diethylamine, ethanolamine, trimethylamine, dicyclohexylamine, choline, and caffeine.
- pharmaceutical composition refers to a formulation of a compound of the invention and a medium generally accepted in the art for delivery of a biologically active compound to a mammal, such as a human.
- the medium includes a pharmaceutically acceptable carrier.
- the purpose of the pharmaceutical composition is to promote the administration of the organism, thereby facilitating the absorption of the active ingredient and thereby exerting biological activity.
- pharmaceutically acceptable refers to a substance (such as a carrier or diluent) that does not affect the biological activity or properties of the compound of the invention, and is relatively non-toxic, ie, the substance can be administered to an individual without causing undesirable organisms. The reaction or in an undesirable manner interacts with any of the components contained in the composition.
- pharmaceutically acceptable excipients include, but are not limited to, any adjuvants, carriers, excipients, glidants, supplements approved by the relevant government authorities for acceptable use by humans or domestic animals.
- the "tumor” of the present invention includes, but is not limited to, glioma, sarcoma, melanoma, articular chondroma, cholangiocarcinoma, leukemia, gastrointestinal stromal tumor, histiocytic lymphoma, non-small cell lung cancer, small cell lung cancer. , pancreatic cancer, lung squamous cell carcinoma, lung adenocarcinoma, breast cancer, prostate cancer, liver cancer, skin cancer, epithelial cell carcinoma, cervical cancer, ovarian cancer, intestinal cancer, nasopharyngeal cancer, brain cancer, bone cancer, esophageal cancer, melanin Tumor, kidney cancer, oral cancer and other diseases.
- preventing include the possibility of reducing the occurrence or progression of a disease or condition by a patient.
- treatment and other similar synonyms as used herein includes the following meanings:
- an "effective amount,” “therapeutically effective amount,” or “pharmaceutically effective amount,” as used herein, refers to at least one agent or compound that, after administration, is sufficient to alleviate one or more symptoms of the disease or condition being treated to some extent. The amount. The result can be a reduction and/or alleviation of signs, symptoms or causes, or any other desired change in the biological system.
- an "effective amount” for treatment is an amount of a composition comprising a compound disclosed herein that is required to provide a significant conditional relief effect in the clinic.
- An effective amount suitable for any individual case can be determined using techniques such as dose escalation testing.
- administering refers to a method of delivering a compound or composition to a desired site for biological action. These methods include, but are not limited to, oral routes, duodenal routes, parenteral injections (including intravenous, subcutaneous, intraperitoneal, intramuscular, intraarterial injection or infusion), topical administration, and rectal administration.
- parenteral injections including intravenous, subcutaneous, intraperitoneal, intramuscular, intraarterial injection or infusion
- topical administration and rectal administration.
- the techniques of administration of the compounds and methods described herein are well known to those skilled in the art, for example, in Goodman and Gilman, The Pharmacological Basis of Therapeutics, current ed.; Pergamon; and Remington's, Pharmaceutical Sciences (current edition), Mack Publishing Co., Easton, those discussed in Pa.
- the compounds and compositions discussed herein are administered orally.
- pharmaceutical combination means a pharmaceutical treatment obtained by mixing or combining more than one active ingredient, It includes both fixed and unfixed combinations of active ingredients.
- fixed combination refers to the simultaneous administration of at least one compound described herein and at least one synergistic agent to a patient in the form of a single entity or a single dosage form.
- unfixed combination refers to the simultaneous administration, combination or sequential administration of at least one of the compounds described herein and at least one synergistic formulation to the patient in the form of separate entities. These are also applied to cocktail therapy, for example the administration of three or more active ingredients.
- the intermediate compound functional groups may need to be protected by a suitable protecting group.
- suitable protecting groups include trialkylsilyl or diarylalkylsilyl groups (e.g., tert-butyldimethylsilyl, tert-butyldiphenylsilyl or trimethylsilyl) , tetrahydropyranyl, benzyl, and the like.
- Suitable protecting groups for amino, mercapto and fluorenyl include t-butoxycarbonyl, benzyloxycarbonyl and the like.
- Suitable mercapto protecting groups include -C(O)-R" (wherein R" is alkyl, aryl or aralkyl), p-methoxybenzyl, trityl and the like.
- Suitable carboxy protecting groups include alkyl, aryl or aralkyl esters.
- Protecting groups can be introduced and removed according to standard techniques known to those skilled in the art and as described herein. The use of protecting groups is described in detail in Greene, T. W. and P. G. M. Wuts, Protective Groups in Organi Synthesis, (1999), 4th Ed., Wiley.
- the protecting group can also be a polymeric resin.
- a novel pharmaceutical composition for the prevention and treatment of diseases associated with EZH2 mutations is provided.
- iPrOH isopropanol; EtOH: ethanol; DCM: dichloromethane; TFA: trifluoroacetic acid; MeOH: methanol; NaOH: sodium hydroxide; HCl: hydrogen chloride; TEA: triethylamine; Raney Ni: Raney nickel; , 4-dioxane: 1,4-dioxane; NaH: sodium hydride; H 2 O: water; Pd/C: palladium/carbon; H 2 : hydrogen; HATU: 2-(7-oxidized benzotriazine Azole)-N,N,N',N'-tetramethyluron hexafluorophosphate; DMF: N,N-dimethylformamide; THF: tetrahydrofuran; Boc 2 O: di-tert-butyl dicarbonate; NBS : N-bromosuccinimide; NCS: N-chlorosuccinimide; NIS: N-iod
- Fumaronitrile fumaric acid nitrile; P(nBu) 3 : tri-n-butylphosphine; LDA: lithium diisopropylamide; LiOH: lithium hydroxide; MeI: methyl iodide; EtI: ethyl iodide; (CH 2 O) n : paraformaldehyde; HCO 2 H: formic acid; CH 3 COCl: acetyl chloride.
- Step 2 Preparation of ethyl 5-acetyl-6-methylpyridazine-7-carboxylate:
- Step 3 Preparation of ethyl 5-(1-hydroxyethyl)-6-methylpyridazine-7-carboxylate: Add compound 5-acetyl-6-methyl in a dry nitrogen-protected 100 mL single-mouth bottle Ethyl oxazine-7-carboxylate (1 g, 4.1 mmol) and 50 mL of MeOH were cooled to 0 ° C and then sodium borohydride (310.2 mg, 8.2 mmol). The reaction was stirred at room temperature for 3-4 hours, and then the mixture was evaporated to ethyl ether (EtOAc) The organic phase was dried over anhydrous sodium sulfate and filtered and evaporated. Purification by column chromatography (EtOAc:EtOAc:EtOAc)
- Step 4 Preparation of ethyl 5-(1-methoxyethyl)-6-methylpyridazine-7-carboxylate: Add compound 5-(1-hydroxyethyl) to a dry nitrogen-protected 50 mL single-mouth bottle Ethyl 6-methylpyridazine-7-carboxylate (40 mg, 0.16 mmol) and 15 mL of DMF, cooled to 0 ° C and then sodium hydride (16.2 mg, 0.24 mmol). After the reaction mixture was stirred at room temperature for 30 min, EtOAc (EtOAc,EtOAc,EtOAc. The organic phase was dried over anhydrous sodium sulfate and filtered and evaporated. Purification by column chromatography (EtOAc:EtOAc:EtOAc)
- Step 5 Preparation of 5-(1-methoxyethyl)-6-methylpyridazine-7-carboxylic acid: The compound 5-(1-methoxyethyl) was added sequentially in a 25 mL nitrogen-protected one-necked bottle. Ethyl 6-methylpyridazine-7-carboxylate (20 mg, 0.077 mmol) and 5 mL of methanol, sodium hydroxide (12.4 mg, 0.31 mmol) dissolved in 5 mL of water, added to the reaction system, and stirred at room temperature overnight.
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-methoxyethyl)-6-
- methylpyrazine-7-carboxamide 5-(1-methoxyethyl)-6-methylpyridazine-7-carboxylic acid (18 mg, 0.077 mmol) was added sequentially to a 25 mL nitrogen-protected single-mouth bottle.
- Step 1 Preparation of ethyl 5-(1-ethoxyethyl)-6-methylpyridazine-7-carboxylate: Prepared in a similar manner to Step 4 in Example 1 except using ethyl iodide. Ethyl 5-(1-ethoxyethyl)-6-methylpyridazine-7-carboxylate in 15% yield. MS (ESI) m/z 276 [M+H] + .
- Step 2 Preparation of 5-(1-ethoxyethyl)-6-methylpyridazine-7-carboxylic acid: 5-(1-ethoxyethyl) was prepared in a similar manner to step 5 in Example 1. 6-methylpyridazine-7-carboxylic acid in a yield of 95%. MS (ESI) m/z 248 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-ethoxyethyl)-6-
- N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine-3) was prepared in a similar manner to Step 6 in Example 1.
- Step 1 Preparation of 5-(1-(allyloxy)ethyl)-6-methylpyridazine-7-carboxylic acid ethyl ester: In addition to using allyl chloride, in step 4 of Example 1. A similar procedure was used to prepare ethyl 5-(1-(allyloxy)ethyl)-6-methylpyridazine-7-carboxylate in a yield of 49%. MS (ESI) m/z 288 [M+H] + .
- Step 2 Preparation of 5-(1-(allyloxy)ethyl)-6-methylpyridazine-7-carboxylic acid: 5-(1-() was prepared in a similar manner to Step 5 in Example 1. Allyloxy)ethyl)-6-methylpyridazine-7-carboxylic acid in a yield of 98%. MS (ESI) m/z 260 [M+H] + .
- Step 3 5-(1-(Allyloxy)ethyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)
- -6-methylpyridazine-7-carboxamide 5-(1-(allyloxy)ethyl)-N-((4,6-) was prepared in a similar manner to Step 6 in Example 1.
- Step 1 Preparation of ethyl 6-methyl-5-(1-(prop-2-yn-1-yloxy)ethyl)pyridazine-7-carboxylate: except 3-bromopropan-1- Ethyl 6-methyl-5-(1-(prop-2-yn-1-yloxy)ethyl)pyridazine-7-carboxylate was prepared in a similar manner to Step 4 in Example 1 except for the alkyne. The yield was 35%. MS (ESI) m/z 286 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-(prop-2-yn-1-yloxy)ethyl)pyridazine-7-carboxylic acid: in a similar manner to step 5 in Example 1. Preparation of 6-methyl-5-(1-(prop-2-yn-1-yloxy)ethyl)pyridazine-7-carboxylic acid in 100% yield. MS (ESI) m / z 258 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(propyl-2)
- N-((4,6-dimethyl-2-oxo) was prepared in a similar manner to Step 6 in Example 1.
- the yield was 20%.
- Step 1 Preparation of ethyl 6-methyl-5-(1-((2-methylallyl)oxy)ethyl)pyridazine-7-carboxylate: except 3-chloro-2-methyl Preparation of 6-methyl-5-(1-((2-methylallyl)oxy)ethyl)pyridazin-7-carboxylate in a similar manner to Step 4 in Example 1 except for prop-1-ene. Ethyl acetate, yield 44%.
- Step 2 Preparation of 6-methyl-5-(1-((2-methylallyl)oxy)ethyl)pyridazine-7-carboxylic acid: Prepared in a similar manner to Step 5 in Example 1. 6-Methyl-5-(1-((2-methylallyl)oxy)ethyl)pyridazine-7-carboxylic acid, yield 94%.
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-((2- Preparation of methallyl)oxy)ethyl)pyridazine-7-carboxamide: N-((4,6-dimethyl-2-oxo-) was prepared in a similar manner to Step 6 in Example 1. 1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-((2-methylallyl)oxy)ethyl)pyridazine-7-carboxamide The rate is 18%.
- Step 1 Preparation of ethyl 5-(1-isobutyloxyethyl)-6-methylpyridazine-7-carboxylate: 6-methyl-5-(1- in a 25 mL single-mouth bottle) Ethyl ((2-methylallyl)oxy)ethyl)pyridazin-7-carboxylate (60 mg, 0.2 mmol), Raney Ni (6 mg) and 10 ml of methanol, with hydrogen, and stirred at room temperature for two hours. filter. The organic phase was concentrated to give a yellow oily product (50mg, yield: 86%). MS (ESI) m / z 304 [M+H] + .
- Step 2 Preparation of 5-(1-isobutyloxyethyl)-6-methylpyridazine-7-carboxylic acid: 5-(1-isobutyl) was prepared in a similar manner to step 5 in Example 1. The oxyethyl)-6-methylpyridazine-7-carboxylic acid has a yield of 89%. MS (ESI) m/z 276 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-isobutyloxyethyl)-
- 6-methylpyridazine-7-carboxamide Preparation of N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine) in a similar manner to Step 6 in Example 1.
- Step 1 Preparation of 5-(1-(cyclohex-2-en-1-yloxy)ethyl)-6-methylpyridazine-7-carboxylic acid ethyl ester: except using 3-bromo-2-cyclo 5-(1-(Cyclohex-2-en-1-yloxy)ethyl)-6-methylpyridazine-7- was prepared in a similar manner to Step 4 in Example 1 except for hex-1-ene. Ethyl carboxylate, yield 38%. MS (ESI) m / z 328 [M+H] + .
- Step 2 Preparation of 5-(1-(cyclohex-2-en-1-yloxy)ethyl)-6-methylpyridazine-7-carboxylic acid: in a similar manner to Step 5 in Example 1.
- 5-(1-(Cyclohex-2-en-1-yloxy)ethyl)-6-methylpyridazine-7-carboxylic acid was prepared in a yield of 66%.
- MS (ESI) m / z 300 [M+H] + .
- Step 3 5-(1-(Cyclohex-2-en-1-yloxy)ethyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine- Preparation of 3-yl)methyl)-6-methylpyridazin-7-carboxamide: 5-(1-(cyclohex-2-en-1-yl) was prepared in a similar manner to Step 6 in Example 1. Oxy)ethyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methylpyridazin-7-carboxamide The yield was 19%.
- Step 1 Preparation of ethyl 5-(1-(cyclohexyloxy)ethyl)-6-methylpyridazine-7-carboxylate: 5-(1-) was prepared in a similar manner to Step 1 in Example 6. Ethyl (cyclohexyloxy)ethyl)-6-methylpyridazine-7-carboxylate in a yield of 80%. MS (ESI) m / z 330 [M+H] + .
- Step 2 Preparation of 5-(1-(cyclohexyloxy)ethyl)-6-methylpyridazine-7-carboxylic acid: 5-(1-(cyclo) was prepared in a similar manner to step 5 in Example 1. Hexyloxy)ethyl)-6-methylpyridazine-7-carboxylic acid in a yield of 82%. MS (ESI) m / z 302 [M+H] + .
- Step 3 5-(1-(Cyclohexyloxy)ethyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-
- 6-methylpyridazine-7-carboxamide 5-(1-(cyclohexyloxy)ethyl)-N-((4,6-dimethyl) was prepared in a similar manner to Step 6 in Example 1.
- Step 1 Preparation of ethyl 5-(1-(benzyloxy)ethyl)-6-methylpyridazine-7-carboxylate: In a similar manner to Step 4 in Example 1, except that benzyl bromide was used. Ethyl 5-(1-(benzyloxy)ethyl)-6-methylpyridazine-7-carboxylate was prepared in a yield of 64%. MS (ESI) m/z 338 [M+H] + .
- Step 2 Preparation of 5-(1-(benzyloxy)ethyl)-6-methylpyridazine-7-carboxylic acid: 5-(1-(benzyl) was prepared in a similar manner to step 5 in Example 1. Oxy)ethyl)-6-methylpyridazine-7-carboxylic acid in a yield of 92%.
- Step 3 5-(1-(Benzyloxy)ethyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-
- 6-methylpyridazine-7-carboxamide 5-(1-(Benzyloxy)ethyl)-N-((4,6-dimethyl) was prepared in a similar manner to Step 6 in Example 1.
- Step 1 Preparation of ethyl 5-(1-((4-fluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylate: Yield 63%. MS (ESI) m/z 356 [M+H] + .
- Step 2 Preparation of 5-(1-((4-fluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylic acid: Yield 88%. MS (ESI) m / z 328 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-((4-fluorobenzyl)oxy)
- ethyl-6-methylpyridazine-7-carboxamide Yield 30%.
- Step 1 Preparation of ethyl 5-(1-((2-fluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylate: Yield 63%. MS (ESI) m/z 356 [M+H] + .
- Step 2 Preparation of 5-(1-((2-fluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylic acid: Yield: 84%. MS (ESI) m / z 328 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-((2-fluorobenzyl)oxy)
- ethyl-6-methylpyridazine-7-carboxamide Yield 4%.
- Step 1 Preparation of ethyl 5-(1-((3-fluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylate: Yield 66%. MS (ESI) m/z 356 [M+H] + .
- Step 2 Preparation of 5-(1-((3-fluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylic acid: Yield: 87%. MS (ESI) m / z 328 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-((3-fluorobenzyl)oxy)
- ethyl-6-methylpyridazine-7-carboxamide Yield 11%.
- Step 1 Preparation of ethyl 5-(1-((2,6-difluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylate: Yield 70%. MS (ESI) m/z 374 [M+H] + .
- Step 2 Preparation of 5-(1-((3-fluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylic acid: Yield 78%. MS (ESI) m / z 346 [M+H] + .
- Step 3 5-(1-((2,6-Difluorobenzyl)oxy)ethyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine- Preparation of 3-yl)methyl)-6-methylpyridazine-7-carboxamide: Yield 16%.
- Step 1 Preparation of ethyl 5-(1-((2,6-difluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylate: Yield 65%. MS (ESI) m/z 368 [M+H] + .
- Step 2 Preparation of 5-(1-((3-fluorobenzyl)oxy)ethyl)-6-methylpyridazine-7-carboxylic acid: Yield: 69%. MS (ESI) m/z 340 [M+H] + .
- Step 3 5-(1-((2,6-Difluorobenzyl)oxy)ethyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine- Preparation of 3-yl)methyl)-6-methylpyridazine-7-carboxamide: Yield 13%.
- Step 1 Preparation of ethyl 6-methyl-5-(1-(pyridin-2-ylmethoxy)ethyl)pyridazine-7-carboxylate: Yield 30%. MS (ESI) m / z 339 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-(pyridin-2-ylmethoxy)ethyl)pyridazine-7-carboxylic acid: Yield 90%. MS (ESI) m / z 311 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(pyridine-2)
- Step 1 Preparation of ethyl 6-methyl-5-(1-(pyridin-4-ylmethoxy)ethyl)pyridazine-7-carboxylate: Yield 37%. MS (ESI) m / z 339 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-(pyridin-4-ylmethoxy)ethyl)pyridazine-7-carboxylic acid: Yield 85%. MS (ESI) m / z 311 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(pyridine-4)
- Example 17 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(thiophene- Preparation of 2-ylmethoxy)ethyl)pyridazine-7-carboxamide:
- Step 1 Preparation of ethyl 6-methyl-5-(1-(thien-2-ylmethoxy)ethyl)pyridazine-7-carboxylate: Yield 39%. MS (ESI) m / z 344 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-(thien-2-ylmethoxy)ethyl)pyridazine-7-carboxylic acid: Yield 82%. MS (ESI) m / z 316 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(thiophene-2)
- Example 18 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(thiazole- Preparation of 2-ylmethoxy)ethyl)pyridazine-7-carboxamide:
- Step 1 Preparation of ethyl 6-methyl-5-(1-(thiazol-2-ylmethoxy)ethyl)pyridazine-7-carboxylate: Yield 45%. MS (ESI) m / z 345 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-(thiazol-2-ylmethoxy)ethyl)pyridazine-7-carboxylic acid: Yield 89%. MS (ESI) m/z 381 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(thiazole-2)
- Step 1 Preparation of ethyl 6-methyl-5-(1-(thien-3-ylmethoxy)ethyl)pyridazine-7-carboxylate: Yield 34%. MS (ESI) m / z 344 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-(thien-3-ylmethoxy)ethyl)pyridazine-7-carboxylic acid: Yield 71%. MS (ESI) m / z 316 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(thiophene-3)
- Step 1 Preparation of ethyl 6-methyl-5-(1-((1-methyl-1H-pyrazol-3-yl)methoxy)ethyl)pyridazine-7-carboxylate: Yield It is 43%. MS (ESI) m / z 342 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-((1-methyl-1H-pyrazol-3-yl)methoxy)ethyl)pyridazine-7-carboxylic acid: Yield 82 %. MS (ESI) m / z 314 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-methyl-1H
- pyrazol-3-yl)methoxy)ethyl)pyridazine-7-carboxamide Yield 16%.
- Step 1 Preparation of ethyl 6-methyl-5-(1-((1-methyl-1H-pyrazol-5-yl)methoxy)ethyl)pyridazine-7-carboxylate: Yield It is 33%. MS (ESI) m / z 342 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-((1-methyl-1H-pyrazol-5-yl)methoxy)ethyl)pyridazine-7-carboxylic acid: Yield 81 %. MS (ESI) m / z 314 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-methyl-1H
- pyrazol-5-yl)methoxy)ethyl)pyridazine-7-carboxamide Yield 13%.
- Step 1 Preparation of ethyl 6-methyl-5-(1-(4-nitrophenyloxy)ethyl)pyridazine-7-carboxylate: except for the use of p-nitrofluorobenzene, and examples Ethyl 6-methyl-5-(1-(4-nitrophenyloxy)ethyl)pyridazine-7-carboxylate was prepared in a similar manner to Step 4 in 1 to yield 65%. MS (ESI) m / z 369 [M+H] + .
- Step 2 Preparation of ethyl 5-(1-(4-aminophenyloxy)ethyl)-6-methylpyridazine-7-carboxylate: 6-methyl-5- was added sequentially to a 25 mL single-mouth bottle.
- Ethyl (1-(4-nitrophenyloxy)ethyl)pyridazine-7-carboxylate 125 mg, 0.34 mmol
- EtOAc EtOAc
- EtOAc EtOAc
- EtOAc EtOAc
- the organic phase was concentrated and purified (jjjjjjjjjj MS (ESI) m / z 339 [M+H] + .
- Step 3 Preparation of ethyl 5-(1-(4-dimethylaminophenyloxy)ethyl)-6-methylpyridazine-7-carboxylate: In a 25 mL single-mouth bottle, dissolved in 5-( A solution of ethyl 1-(4-aminophenyloxy)ethyl)-6-methylpyridazine-7-carboxylate (100 mg, 0.30 mmol) in DMF (1.0 mL). The mixture was stirred with EtOAc (EtOAc) (EtOAc) The organic phase was dried over anhydrous sodium sulfate and filtered and evaporated. Purification by column chromatography (EtOAc:EtOAc:EtOAc) MS (ESI) m / z 367 [M+H] + .
- Step 4 Preparation of 5-(1-(4-dimethylaminophenyloxy)ethyl)-6-methylpyridazine-7-carboxylic acid: Prepared in a similar manner to Step 5 in Example 1 (1-(4-Dimethylaminophenyloxy)ethyl)-6-methylpyridazine-7-carboxylic acid in a yield of 89%. MS (ESI) m / z 339 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino)benzene)
- N-((4,6-dimethyl-2-oxo-) was prepared in a similar manner to step 6 in Example 1. 1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino)phenyloxy)ethyl)-6-methylpyridazine-7-carboxamide The rate is 6%.
- Step 1 Preparation of ethyl 5-(4-bromobenzoyl)-6-methylpyridazine-7-carboxylate: In a dry nitrogen-protected 100 mL three-necked flask, 1 H-pyrrole-2-carbaldehyde was added in sequence.
- Step 2 Preparation of ethyl 5-((4-bromophenyl)(hydroxy)methyl)-6-methylpyridazine-7-carboxylate: Prepared in a similar manner to Step 3 in Example 1 Ethyl ((4-bromophenyl)(hydroxy)methyl)-6-methylpyridazine-7-carboxylate, yield 86%. MS (ESI) m/z 384 [M+H] + .
- Step 3 Preparation of 5-((4-bromophenyl)(hydroxy)methyl)-6-methylpyridazine-7-carboxylic acid: 5-(() was prepared in a similar manner to step 5 in Example 1. 4-Bromophenyl)(hydroxy)methyl)-6-methylpyridazine-7-carboxylic acid in a yield of 83%.
- Step 4 5-((4-Bromophenyl)(hydroxy)methyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)-
- 6-methylpyridazin-7-carboxamide 5-((4-bromophenyl)(hydroxy)methyl)-N-(() was prepared in a similar manner to Step 6 in Example 1. 4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methylpyridazine-7-carboxamide in 10% yield.
- Step 1 Preparation of ethyl 5-((4-bromophenyl)(methoxy)methyl)-6-methylpyridazine-7-carboxylate: Prepared in a similar manner to Step 4 in Example 1. Ethyl 5-((4-bromophenyl)(methoxy)methyl)-6-methylpyridazine-7-carboxylate, 80% yield. MS (ESI) m / z 402 [M+H] + .
- Step 2 Preparation of 5-((4-bromophenyl)(methoxy)methyl)-6-methylpyridazine-7-carboxylic acid: Prepared in a similar manner to Step 5 in Example 1 ((4-Bromophenyl)(methoxy)methyl)-6-methylpyridazine-7-carboxylic acid, yield 83%. MS (ESI) m/z 374 [M+H] + .
- Step 3 5-((4-Bromophenyl)(methoxy)methyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)
- 5-((4-bromophenyl)(methoxy)methyl)-- was prepared in a similar manner to Step 6 in Example 1.
- Step 1 Preparation of ethyl 5-(1-(4-bromophenyl)vinyl)-6-methylpyridazine-7-carboxylate: Add triphenylmethyl to a dry nitrogen-protected 100 ml single-mouth bottle After the phosphorous bromide (329 mg, 0.856 mmol) and 10 mL of tetrahydrofuran were cooled to -78 ° C, a solution of nBuLi in tetrahydrofuran (0.5 mL, 1.6 M) was slowly added dropwise.
- Step 2 Preparation of ethyl 6-methyl-5-(1-phenylethyl)pyridazine-7-carboxylate: 5-(1-(4-bromophenyl)ethene was added sequentially to a 25 mL single-mouth bottle Ethyl 6-methylpyridazine-7-carboxylate (85 mg, 0.22 mmol), Pd / C (10 mg), and 10 ml of methanol The organic phase was concentrated to give (yield: 97%). MS (ESI) m/z 308 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-phenylethyl)pyridazine-7-carboxylic acid: 6-methyl-5-(1-) was prepared in a similar manner to step 5 in Example 1. Phenylethyl)pyridazine-7-carboxylic acid in a yield of 90%. MS (ESI) m/z 280 [M+H] + .
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-phenylethyl
- N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine-3-) was prepared in a similar manner to Step 6 in Example 1. Methyl)-6-methyl-5-(1-phenylethyl)pyridazin-7-carboxamide in 17% yield.
- Step 1 Preparation of 6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: 5-acetyl-6 was added sequentially to a dry nitrogen-protected 10 mL microwave tube. -methylpyridazine-7-carboxylate ethyl ester (200 mg, 0.80 mmol), morpholine (1.0 mL) and 2.0 mL of tetraisopropyltitanium oxide, warmed to 60 ° C, stirred for reaction overnight, and the reaction system was added with 10 mL of water and stirred. After 10 minutes, the water was concentrated to remove water.
- Step 2 Preparation of 6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: 6-methyl-5-(1-morphine) was dissolved in an ice bath Sodium borohydride (114 mg, 3.0 mmol) was added portionwise, and the mixture was stirred at room temperature for 4 hr.
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: 6-methyl-5-(1) was obtained in a similar manner to step 5 in Example 1. - morphinolinylethyl)pyridazine-7-carboxylic acid in a yield of 63%. MS (ESI) m/z 202 [M - 87 + H] + .
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine-3) was prepared in a similar manner to Step 6 in Example 1.
- Example 27 1-Chloro-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1 -Preparation of morphinylethyl)pyridazine-7-carboxamide:
- Step 1 Preparation of chloro-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: 6-methyl in sequence in a dry 100 mL single-mouth bottle 5-(1-Phenylmorpholylethyl)pyridazine-7-carboxylic acid isopropyl ester (450 mg, 1.37 mmol) and NCS (183 mg, 1.37 mmol) and 10 ml of acetonitrile were stirred at room temperature for 30 min. Purification by column chromatography (EtOAc:EtOAc:EtOAc)
- Step 2 Preparation of 1-chloro-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: 1-chloro-6 was prepared in a similar manner to Step 5 in Example 1. -Methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid in a yield of 75%. MS (ESI) m / z 323 [M+H] + .
- Step 3 1-Chloro-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1- Preparation of morphinolinylethyl)pyridazine-7-carboxamide: 1-Chloro-N-((4,6-dimethyl-2-oxo-1) was prepared in a similar manner to Step 6 in Example 1. , 2-Dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinylethyl)pyridazin-7-carboxamide, yield 68%.
- Example 28 (S)-1-Chloro-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl- 5-(1-morphinolinylethyl)pyridazin-7-carboxamide or (R)-1-chloro-N-((4,6-dimethyl-2-oxo-1,2-dihydro) Preparation of pyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinylethyl)pyridazin-7-carboxamide: 1-chloro-N-((4,6-dimethyl) Chiral preparation solution of benzyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxamide Phase separation gave compound 28 and compound 29.
- Step 1 Preparation of 4-bromo-1H-pyrrole-2-carbaldehyde: References (Outlaw, et al., Org Lett, 2015, 17, 1822-5.). Yield: 80%.
- Step 2 Preparation of 4-bromo-1-(2-oxopropyl)-1H-pyrrole-2-carbaldehyde: 4-bromo-1-(2-oxygen) was prepared in a similar manner to step 1 in Example 1. Propyl)-1H-pyrrole-2-carbaldehyde in a yield of 75%. MS (ESI) m / z 202 [M-28 + H] +.
- Step 3 Preparation of ethyl 5-acetyl-2-bromo-6-methylpyridazine-7-carboxylate: 5-acetyl-2-bromo bromide was prepared in a similar manner to Method A in Step 2 of Example 1. Ethyl 6-methylpyridazine-7-carboxylate in a yield of 50%.
- Step 4 Preparation of 2-bromo-6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: 2-bromobromide was prepared in a similar manner to step 1 in Example 26 -6-Methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester was directly passed to the next reaction. MS (ESI) m / z 407 [M+H] + .
- Step 5 Preparation of 2-bromo-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: 2-bromopyroline was prepared in a similar manner to step 2 in Example 26 -6-Methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester, the total yield in two steps was 84%. MS (ESI) m / z 409 [M+H] + .
- Step 6 Preparation of 2-bromo-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: 2-bromo-6- prepared in a similar manner to step 5 in Example 1. Methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid in a yield of 95%. MS (ESI) m / z 367 [M+H] + .
- Step 7 2-Bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-
- morphinolinylethyl)pyridazine-7-carboxamide 2-bromo-N-((4,6-dimethyl-2-oxo-1) was prepared in a similar manner to Step 6 in Example 1.
- Step 1 Preparation of 2-bromo-5-(1-(4-(dimethylamino)piperidin-1-yl)vinyl)-6-methylpyridazine-7-carboxylic acid isopropyl ester: and implementation Preparation of 2-bromo-5-(1-(4-(dimethylamino)piperidin-1-yl)vinyl)-6-methylpyridazine-7-carboxylic acid isopropyl ester in a similar manner to Step 1 in Example 26. ester. MS (ESI) m / z 448 [M+H] + .
- Step 2 Preparation of 2-bromo-5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)-6-methylpyridazine-7-carboxylic acid isopropyl ester: and implementation Preparation of 2-bromo-5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)-6-methylpyridazine-7-carboxylic acid isopropyl ester in a similar manner to Step 2 in Example 26. The ester has a yield of 80%. MS (ESI) m / z 450 [M+H] + .
- Step 3 Preparation of 2-bromo-5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)-6-methylpyridazine-7-carboxylic acid: same as in Example 1.
- Step 5 Preparation of 2-bromo-5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)-6-methylpyridazine-7-carboxylic acid in a similar manner. %. MS (ESI) m / z 408 [M+H] + .
- Step 4 2-Bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(di) Preparation of methylamino)piperidin-1-yl)ethyl)-6-methylpyridazin-7-carboxamide: 2-bromo-N-((4,6) was prepared in a similar manner to Step 6 in Example 1. -Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)- 6-methylpyridazine-7-carboxamide in 30% yield.
- Step 1 Preparation of ethyl 5-acetyl-2-(benzo[d][1,3]dioxol-5-yl)-6-methylpyridazin-7-carboxylate: Add 5-acetyl-2-bromo-6-methylpyridazine-7-carboxylate (200 mg, 0.62 mmol), 3,4-dimethylenedioxybenzene, in a dry nitrogen-protected 100 mL three-necked flask.
- Step 2 2-Benzo[d][1,3]dioxol-5-yl)-6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid
- isopropyl ester 2-benzo[d][1,3]dioxol-5-yl)-6-methyl-5-(1) was prepared in a similar manner to Step 1 in Example 26.
- - crude product of morpholinyl vinyl)pyridazine-7-carboxylic acid isopropyl ester.
- MS (ESI) m/z 449 [M+H] + .
- Step 3 2-Benzo[d][1,3]dioxol-5-yl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid
- isopropyl ester 2-benzo[d][1,3]dioxol-5-yl)-6-methyl-5-(1) was prepared in a similar manner to Step 2 in Example 26.
- - morpholinylethyl)pyridazine-7-carboxylic acid isopropyl ester in a two step yield of 57%.
- MS (ESI) m/z 451 [M+H] + .
- Step 4 2-Benzo[d][1,3]dioxol-5-yl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid
- 2-Benzo[d][1,3]dioxol-5-yl)-6-methyl-5-(1-morpholine) was prepared in a similar manner to Step 5 in Example 1. Crude product of phenylethyl)pyridazine-7-carboxylic acid.
- Step 5 2-(Benzo[d][1,3]dioxol-5-yl)-N-((4,6-dimethyl-2-oxo-1,2-di) Preparation of hydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxamide: Prepared in a similar manner to Step 6 in Example 1 (Benzo[d][1,3]dioxol-5-yl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine-3- Methyl)-6-methyl-5-(1-morphinolinylethyl)pyridazin-7-carboxamide in 20% yield.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(4-morphinolinylphenyl)pyridazine-7-carboxylate: Yield 12%. MS (ESI) m / z 407 [M+H] + .
- Step 2 Preparation of 6-methyl-2-(4-morphinolinylphenyl)-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/ z 490[M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(4-morphinolinylphenyl)pyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 83 %. MS (ESI) m/z 495 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(4-morphinolinylphenyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 409 [ M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(4-morphinolinylphenyl)pyridazine-7-carboxamide The yield in two steps was 20%.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(pyridin-3-yl)pyridazine-7-carboxylate: Yield 39%. MS (ESI) m / z 323 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morphinolinylvinyl)-2-(pyridin-3-yl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 406 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(pyridin-3-yl)pyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 83%. MS (ESI) m / z 408 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(pyridin-3-yl)pyridazine-7-carboxylic acid. MS (ESI) m / z 366 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(pyridin-3-yl)pyridazin-7-carboxamide The yield in two steps was 20%.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(pyridin-4-yl)pyridazine-7-carboxylate: Yield 34%. MS (ESI) m / z 323 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morphinolinylvinyl)-2-(pyridin-4-yl)pyridazine-7-carboxylic acid isopropyl ester.
- MS (ESI) m/z 406 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(pyridin-4-yl)pyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 82%.
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(pyridin-4-yl)pyridazine-7-carboxylic acid. MS (ESI) m / z 366 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-4-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(pyridin-3-yl)pyridazin-7-carboxamide The yield in two steps was 20%.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-phenylpyridazine-7-carboxylate: Yield 40%. MS (ESI) m/z 322 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morphinolinylvinyl)-2-phenylpyridazine-7-carboxylic acid isopropyl ester. MS (ESI) m / z 405 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-phenylpyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 42%. MS (ESI) m / z 407 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-phenylpyridazine-7-carboxylic acid. MS (ESI) m/z 355 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-phenylpyridazine-7-carboxamide The yield in two steps was 39%.
- Example 36 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinyl Preparation of ethyl)-2-(3-morphinolinylphenyl)pyridazine-7-carboxamide:
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(3-morphinolinylphenyl)pyridazine-7-carboxylate: Yield 56%. MS (ESI) m / z 407 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morphinolinylvinyl)-2-(3-morphinolinylphenyl)pyridazine-7-carboxylic acid isopropyl ester.
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(3-morphinolinylphenyl)pyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 83 %. MS (ESI) m/z 495 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(3-morphinolinylphenyl)-7-carboxylic acid. MS (ESI) m / z 450 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(3-morphinolinylphenyl)pyridazine-7-carboxamide The yield in two steps was 39%.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(3,4,5-trimethoxyphenyl)pyridin-7-carboxylate: Yield 47%. MS (ESI) m / z 412 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morphinolinylvinyl)-2-(3,4,5-trimethoxyphenyl)pyridazine-7-carboxylic acid isopropyl ester.
- MS (ESI) m/z 495 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(3,4,5-trimethoxyphenyl)pyridazine-7-carboxylic acid isopropyl ester: two steps The yield was 81%. MS (ESI) m / z 495 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(3,4,5-trimethoxyphenyl)pyridazine-7-carboxylic acid. MS (ESI) m/z 455 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(3,4,5-trimethoxyphenyl)pyridazin-7-carboxamide The yield in two steps was 69%.
- Step 1 Preparation of ethyl 5-acetyl-2-(2,4-dimethoxyphenyl)-6-methylpyridazine-7-carboxylate: Yield 47%. MS (ESI) m/z 381 [M+H] + .
- Step 2 Preparation of 2-(2,4-dimethoxyphenyl)-6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester.
- MS (ESI) m/z 465 [M+H] + .
- Step 3 Preparation of 2-(2,4-dimethoxyphenyl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: two-step production The rate is 65%. MS (ESI) m / z 467 [M+H] + .
- Step 4 Preparation of 2-(2,4-dimethoxyphenyl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid. MS (ESI) m/z 422 [M+H] + .
- Step 5 2-(2,4-Dimethoxyphenyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)
- Step 5 2-(2,4-Dimethoxyphenyl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(4-(morpholinemethyl)phenyl)pyridazine-7-carboxylate: Yield 62%. MS (ESI) m / z 421 [M+H] + .
- Step 2 Preparation of 6-methyl-2-(4-(morpholinemethyl)phenyl)-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester.
- MS (ESI) m/z 504 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(4-(morpholinemethyl)phenyl)pyridazine-7-carboxylic acid isopropyl ester: two steps The yield was 41%. MS (ESI) m / z 506 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(4-(morpholinemethyl)phenyl)pyridazine-7-carboxylic acid. MS (ESI) m / z 464 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(4-(morpholinemethyl)phenyl)pyridazine-7-carboxamide The yield in two steps was 43%.
- Example 40 7-Cyano-5-(7-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)- Preparation of tert-butyl 6-methyl-5-(1-morphinolinylethyl)pyridazin-2-yl)porphyrin-1-carbamate:
- Step 1 Preparation of 5-(5-acetyl-7-(ethoxycarbonyl)-6-methylpyridazin-2-yl)-7-cyanoindoline-1-carbamic acid tert-butyl ester: The yield was 66%. MS (ESI) m/z 488 [M+H] + .
- Step 2 7-Cyano-5-(7-(isopropoxycarbonyl)-6-methyl-5-(1-morphinolinylvinyl)pyridazin-2-yl)porphyrin-1-
- Step 3 7-Cyano-5-(7-(isopropoxycarbonyl)-6-methyl-5-(1-morphinolinylethyl)pyridazin-2-yl)porphyrin-1-
- MS (ESI) m / z 573 [M+H] + .
- Step 4 2-(1-(tert-Butoxycarbonyl)-7-cyanoporphyrin-5-yl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7 - Preparation of a carboxylic acid. MS (ESI) m / z 531 [M+H] + .
- Step 5 7-Cyano-5-(7-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6
- -methyl-5-(1-morphinolinylethyl)pyridazin-2-yl)porphyrin-1-carbamic acid tert-butyl ester a two-step yield of 35%.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(1-methyl-1H-pyrazol-5-yl)pyridazine-7-carboxylate: Yield 55%. MS (ESI) m / z 326 [M+H] + .
- Step 2 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-5-yl)-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m / z 409 [M+H] + .
- Step 3 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-5-yl)-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: The yield in two steps was 54%. MS (ESI) m / z 411 [M+H] + .
- Step 4 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-5-yl)-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: MS (ESI ) m/z 369 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl-1H
- pyrazol-5-yl)-5-(1-morphinolinylethyl)pyridazine-7-carboxamide The yield in two steps was 32%.
- Example 42 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl- Preparation of 1H-pyrazol-4-yl)-5-(1-morphinolinylethyl)pyridazine-7-carboxamide:
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(1-methyl-1H-pyrazol-4-yl)pyridazine-7-carboxylate: Yield 74%. MS (ESI) m / z 326 [M+H] + .
- Step 2 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-4-yl)-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m / z 409 [M+H] + .
- Step 3 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-4-yl)-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: The yield in two steps was 30%. MS (ESI) m / z 411 [M+H] + .
- Step 4 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-4-yl)-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: MS (ESI ) m/z 369 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl-1H
- pyrazol-4-yl -5-(1-morphinolinylethyl)pyridazine-7-carboxamide: The yield in two steps was 11%.
- Step 1 Preparation of ethyl 5-acetyl-2-(2-fluoro-4-methoxyphenyl)-6-methylpyridazine-7-carboxylate: Yield 70%. MS (ESI) m / z 370 [M+H] + .
- Step 2 Preparation of 2-(2-fluoro-4-methoxyphenyl)-6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS ( ESI) m/z 453 [M+H] + .
- Step 3 Preparation of 2-(2-fluoro-4-methoxyphenyl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: two steps The yield was 72%. MS (ESI) m/z 455 [M+H] + .
- Step 4 Preparation of 2-(2-fluoro-4-methoxyphenyl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: MS (ESI) m /z 413[M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-(2-fluoro-4-methoxyphenyl)
- the yield in two steps was 28%.
- Step 1 5-Acetyl-2-(1-(1-(tert-butyloxycarbonyl)piperidin-4-yl)-1H-pyrazol-4-yl)-6-methylpyridazine-7-
- MS (ESI) m/z 495 [M+H] + .
- Step 2 2-(1-(1-(tert-Butyloxycarbonyl)piperidin-4-yl)-1H-pyrazol-4-yl)-6-methyl-5-(1-morpholinylethylene
- MS (ESI) m/z 578 [M+H] + MS (ESI) m/z 578 [M+H] + .
- Step 3 2-(1-(1-(tert-Butyloxycarbonyl)piperidin-4-yl)-1H-pyrazol-4-yl)-6-methyl-5-(1-morphinolinyl
- MS (ESI) m/z 580 [M+H] + .
- Step 4 2-(1-(1-(tert-Butyloxycarbonyl)piperidin-4-yl)-1H-pyrazol-4-yl)-6-methyl-5-(1-morphinolinyl
- MS (ESI) m/z 451 [M+H] + Preparation of pyridazine-7-carboxylic acid: MS (ESI) m/z 451 [M+H] + .
- Step 5 4-(4-(7-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6--
- MS (ESI) m/z 672 [M+H] + .
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl
- 2-(1-(piperidin-4-yl)-1H-pyrazol-4-yl)pyridazine-7-carboxamide Compound 4-(4) in a 50 ml dry single-mouth bottle -(7-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6-methyl-5-(1- Phenylmorphoylethyl)pyridazin-2-yl)-1H-pyrazol-1-yl)piperidine-1-carbamic acid tert-butyl ester (50 mg, 0.074 mmol) dissolved in 5.0 mL of ethyl acetate.
- Step 1 5-Acetyl-2-(1-(tert-butyloxycarbonyl)-1,2,3,6-tetrahydropyridin-4-yl)-6-methylpyridazine-7-carboxylic acid B Preparation of the ester: yield 65%. MS (ESI) m / z 427 [M+H] + .
- Step 2 2-(1-(tert-Butyloxycarbonyl)-1,2,3,6-tetrahydropyridin-4-yl)-6-methyl-5-(1-morphinolinylvinyl)indole
- MS (ESI) m/z 510 [M+H] + MS (ESI) m/z 510 [M+H] + .
- Step 3 2-(1-(tert-Butyloxycarbonyl)-1,2,3,6-tetrahydropyridin-4-yl)-6-methyl-5-(1-morphinolinylethyl)indole
- Step 4 2-(1-(tert-Butyloxycarbonyl)-1,2,3,6-tetrahydropyridin-4-yl)-6-methyl-5-(1-morphinolinylethyl)indole
- Step 5 4-(7-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6-methyl-5
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(1,2,3,6-tetrahydropyridin-4-yl)pyridazine-7-carboxamide Yield 40%.
- Step 1 2-(1-(tert-Butoxycarbonyl)piperidin-4-yl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester
- 2-(1-(tert-Butyloxycarbonyl)-1,2,3,6-tetrahydropyridin-4-yl)-6-methyl-5-(1-) was added sequentially to a 25 mL vial
- the morpholinylethyl)pyridazine-7-carboxylic acid isopropyl ester 95 mg, 0.186 mmol
- 10 ml of methanol were replaced with hydrogen, and the mixture was stirred at room temperature for 2 hours and filtered.
- the organic phase was concentrated to give a yellow oil (yield: 95%).
- MS (ESI) m/z 564 [M+H] + .
- Step 2 Preparation of 2-(1-(tert-butyloxycarbonyl)piperidin-4-yl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: Preparation of 2-(1-(tert-Butoxycarbonyl)piperidin-4-yl)-6-methyl-5-(1-morphinolinylethyl)pyridazine in a similar manner to Step 5 in Example 1. -7-carboxylic acid.
- MS (ESI) m/z 472 [M+H] + .
- Step 3 4-(7-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6-methyl-5
- 4-(7-((4) was prepared in a similar manner to Step 6 in Example 1.
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- N-((4,6-dimethyl-2-oxo) was prepared in a similar manner to Step 6 in Example 44 -1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinylethyl)-2-(piperidin-4-yl)pyridazin-7- Amide: Yield 47%.
- Step 1 Preparation of ethyl 5-acetyl-2-(3,6-dihydro-2H-pyran-4-yl)-6-methylpyridazine-7-carboxylate: Yield 62%. MS (ESI) m / z 328 [M+H] + .
- Step 2 2-(3,6-Dihydro-2H-pyran-4-yl)-6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester Prepared for MS (ESI) m/z 411 [M+H] + .
- Step 3 2-(3,6-Dihydro-2H-pyran-4-yl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester Preparation: The yield in two steps was 41%. MS (ESI) m / z 414 [M+H] + .
- Step 4 Preparation of 2-(3,6-dihydro-2H-pyran-4-yl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 371 [M+H] + .
- Step 5 2-(3,6-Dihydro-2H-pyran-4-yl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine-3- Preparation of methyl)methyl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxamide: a two-step yield of 43%.
- Step 1 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(tetrahydro-2H-pyran-4-yl)pyridazine-7-carboxylic acid isopropyl ester: Yield It is 94%. MS (ESI) m / z 415 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(tetrahydro-2H-pyran-4-yl)pyridazine-7-carboxylic acid: MS (ESI) m /z 373[M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinyl
- 2-(tetrahydro-2H-pyran-4-yl)pyridazine-7-carboxamide The yield in two steps was 65%.
- Step 1 5-(1-(4-(Dimethylamino)piperidin-1-yl)vinyl)-6-methyl-2-(pyridin-3-yl)pyridazine-7-carboxylic acid isopropyl
- Step 2 5-(1-(4-(Dimethylamino)piperidin-1-yl)ethyl)-6-methyl-2-(pyridin-3-yl)pyridazine-7-carboxylic acid isopropyl
- MS (ESI) m/z 449 [M+H] + .
- Step 3 Preparation of 5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)-6-methyl-2-(pyridin-3-yl)pyridazine-7-carboxylic acid : MS (ESI) m/z 407 [M+H] + .
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino)perphenylate
- pyridin-1-yl)ethyl -6-methyl-2-(pyridin-3-yl)pyridazin-7-carboxamide
- Step 1 5-acetyl-6-methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridazine-7 -
- ethyl carboxylate 2.0 g, 6.2 mmol
- Pd (dppf) Cl 2 454 mg, 0.62 mmol
- pinacol borate 3.15 g, 12.4 mmol
- potassium acetate 1.22 g, 12.4 mmol
- Step 2 Preparation of ethyl 5-acetyl-6-methyl-2-(thiazol-2-yl)pyridazine-7-carboxylate: The procedure was the same as Step 1 in Example 31. The yield was 32%. MS (ESI) m / z 329 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylvinyl)-2-(thiazol-2-yl)pyridazine-7-carboxylic acid isopropyl ester: using step 1 in Example 26 A similar procedure was used to prepare 6-methyl-5-(1-morphinolinylvinyl)-2-(thiazol-2-yl)pyridazin-7-carboxylic acid isopropyl ester.
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(thiazol-2-yl)pyridazine-7-carboxylic acid isopropyl ester: using step 2 in Example 26 A similar procedure was used to prepare 6-methyl-5-(1-morphinolinylethyl)-2-(thiazol-2-yl)pyridazine-7-carboxylic acid isopropyl ester in a two-step yield of 63%.
- MS (ESI) m/z 414 [M+H] + .
- Step 5 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(thiazol-2-yl)pyridazin-7-carboxylic acid: a method similar to that of Step 5 in Example 1 A crude product of 6-methyl-5-(1-morphinolinylethyl)-2-(thiazol-2-yl)pyridazine-7-carboxylic acid was prepared. MS (ESI) m / z 372 [M+H] + .
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- N-((4,6-dimethyl-2-oxo) was prepared in a similar manner to step 6 in Example 1. -1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinylethyl)-2-(thiazol-2-yl)pyridazin-7-carboxamide The yield was 15%.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(pyridin-2-yl)pyridazine-7-carboxylate: Yield 37%. MS (ESI) m / z 323 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morphinolinylvinyl)-2-(pyridin-2-yl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 406 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(pyridin-2-yl)pyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 40%.
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)-2-(pyridin-2-yl)pyridazine-7-carboxylic acid: MS (ESI) m/z 366 [M+H ] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(pyridin-2-yl)pyridazin-7-carboxamide Yield 28%.
- Example 52 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl- Preparation of 1H-imidazol-4-yl)-5-(1-morphinolinylethyl)pyridazine-7-carboxamide:
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(1-methyl-1H-imidazol-4-yl)pyridazine-7-carboxylate: Yield 53%. MS (ESI) m / z 326 [M+H] + .
- Step 2 Preparation of 6-methyl-2-(1-methyl-1H-imidazol-4-yl)-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 409 [M+H] + .
- Step 3 Preparation of 6-methyl-2-(1-methyl-1H-imidazol-4-yl)-5-(1-morpholineethyl)pyridazine-7-carboxylic acid isopropyl ester: two steps The yield was 55%. MS (ESI) m / z 411 [M+H] + .
- Step 4 Preparation of 6-methyl-2-(1-methyl-1H-imidazol-4-yl)-5-(1-morpholineethyl)pyridazine-7-carboxylic acid: MS (ESI) m /z 369[M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl-1H
- Step 1 2-(5-Acetyl-7-(ethoxycarbonyl)-6-methylpyridazin-2-yl)-6,7-dihydrothiazolo[5,4-c]pyridine-5
- (4H)-tert-butyl carboxylic acid Yield 26%.
- Step 2 2-(7-(Isopropoxycarbonyl)-6-methyl-5-(1-morphinolinylvinyl)pyridazin-2-yl)-6,7-dihydrothiazolo[5
- MS (ESI) m/z 671 [M+H] + MS (ESI) m/z 671 [M+H] + .
- Step 3 2-(7-(Isopropoxycarbonyl)-6-methyl-5-(1-morphinolinylethyl)pyridazin-2-yl)-6,7-dihydrothiazolo[5
- 4-c]pyridine-5(4H)-carboxylic acid tert-butyl ester a two-step yield of 44%.
- MS (ESI) m/z 564 [M+H] + .
- Step 4 2-(5-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)-6-methyl-5-(1 Preparation of morpholine ethyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 527 [M+H] + .
- Step 5 2-(7-(((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6-methyl-5
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- 2-(4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)pyridazin-7-carboxamide Yield 49%.
- Example 54 1-Bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1 -Preparation of morphinylethyl)pyridazine-7-carboxamide:
- Step 1 Preparation of ethyl 5-acetyl-1-bromo-6-methylpyridazine-7-carboxylate: 5-acetyl-6-methylpyridazine-7- in a 100 ml dry single-mouth bottle Ethyl carboxylate (500 mg, 2 mmol) was dissolved in 20 mL of THF. bromo succinimide (320 mg, 1.8 mmol) was added portionwise at 0 ° C, and the mixture was stirred at 0 ° C for 20 min.
- Step 2 Preparation of 1-bromo-6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: Prepared 1-in a similar manner to Step 1 in Example 26 Isopropyl bromo-6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylate. MS (ESI) m / z 407 [M+H] + .
- Step 3 Preparation of 1-bromo-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: Prepared 1-in a similar manner to Step 2 in Example 26 Isopropyl bromo-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylate. The yield in two steps was 50%. MS (ESI) m/z 323 [M-87+H] + .
- Step 4 Preparation of 1-bromo-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: 1-bromo-6 was prepared in a similar manner to step 3 in Example 26 -Methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid. MS (ESI) m/z 280 [M-87+H] + .
- Step 5 1-Bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-
- morpholinylethyl)pyridazine-7-carboxamide 1-bromo-N-((4,6-dimethyl-2-oxo-1) was prepared in a similar manner to step 4 in Example 26. , 2-Dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxamide, 25% yield in two steps.
- Step 1 Preparation of (E)-2-((1H-pyrrol-2-yl)methylene)succinonitrile: Pyrrole-2-carbaldehyde (3 g, 31.5) was added sequentially to a dry 100 mL round bottom flask at room temperature. Methyl), fumaronitrile (3.1 g, 39.4 mmol), tributylphosphine (5.8 ml, 37.8 mmol) and anhydrous tetrahydrofuran (80 mL). Heat to reflux under nitrogen and stir for 8 hours. After the completion of the reaction on the TLC plate, the mixture was concentrated under reduced pressure, and water (30 mL), and ethyl acetate.
- Step 2 Preparation of 5-amino-6-methylpyridazine-7-carbonitrile: Add (E)-2-((1H-pyrrol-2-yl)-methyl at room temperature in a dry 100 mL round bottom flask To the succinonitrile (1.8g, 11.7mmol) and THF (60mL), add LDA (11.7mL, 23.4mmol) at -78 ° C to maintain the temperature and stir for half an hour, then add methyl iodide (1.6g, 11.7mmol), The mixture was stirred at 0<0>C for half an hour, then EtOAc (EtOAc)EtOAc.
- EtOAc EtOAc
- Step 3 Preparation of 6-methyl-5-((tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carbonitrile: sequentially added to a dry 50 mL round bottom flask at room temperature 5- Amino-6-methylpyridazine-7-carbonitrile (300 mg, 1.75 mmol), tetrahydropyranone (350 mg, 3.50 mmol) and acetic acid (3 mL). Heat to 50 ° C, stir for 1 hour, then add sodium cyanoborohydride (330 mg, 5.25 mmol) and continue to maintain stirring at 50 °C. After the reaction was completed by TLC, the mixture was evaporated, evaporated, evaporated, evaporated.
- Step 4 Preparation of 6-methyl-5-(methyl(tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carbonitrile: sequentially added to a dry 25 mL round bottom flask at room temperature 6-Methyl-5-((tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carbonitrile (100 mg, 0.39 mmol), potassium carbonate (108 mg, 0.78 mmol), m. , 0.78 mmol) and DMF (2 ml) were replaced with nitrogen three times. The mixture was heated to 80 ° C with stirring and reacted for 16 hours.
- Step 5 Preparation of 6-methyl-5-(methyl(tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carboxylic acid: sequentially added to a dry 25 mL round bottom flask at room temperature Compound 6-Methyl-5-(methyl(tetrahydro-2H-pyran-4-yl)amino)pyridazin-7-carbonitrile (50 mg, 0.18 mmol), sodium hydroxide (400 mg, 10 mmol) / Water 1:1 mixed solvent (1 mL). Heat to 100 ° C and stir for 16 hours.
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(methyl(tetrahydro-)
- N-((4,6-dimethyl-2-oxo-) was prepared in a similar manner to Step 6 in Example 1. 1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(methyl(tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carboxamide The rate is 6%.
- Step 1 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methylpyridazine-7-carbonitrile: Yield 46%. MS (ESI) m/z 284 [M+H] + .
- Step 2 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methylpyridazine-7-carboxylic acid: Yield 78%. MS (ESI) m/z 303 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(ethyl (tetrahydro- Preparation of 2H-pyran-4-yl)amino)pyridazine-7-carboxamide: Yield 8%.
- Step 1 Preparation of (E)-2-((4-bromo-1H-pyrrol-2-yl)methylene)succinonitrile: Yield 41%. MS (ESI) m / z 236 [M+H] + .
- Step 2 Preparation of 5-amino-2-bromo-6-methylpyridazine-7-carbonitrile: Yield 94%. MS (ESI) m / z 250 [M+H] + .
- Step 3 Preparation of 2-bromo-6-methyl-5-((tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carbonitrile: Yield 72%.
- Step 4 Preparation of 2-bromo-6-methyl-5-(methyl(tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carbonitrile: Yield 53%. MS (ESI) m / z 348 [M+H] + .
- Step 5 Preparation of 2-bromo-6-methyl-5-(methyl(tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carboxylic acid: Yield 81%. MS (ESI) m / z 367 [M+H] + .
- Step 6 2-Bromo N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(methyl ( Preparation of tetrahydro-2H-pyran-4-yl)amino)pyridazine-7-carboxamide: Yield 18%.
- Step 1 Preparation of 2-bromo-5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methylpyridazine-7-carbonitrile: Yield 46%. MS (ESI) m/z 372 [M+H] + .
- Step 2 Preparation of 2-bromo-5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methylpyridazine-7-carboxylic acid: Yield: 79%. MS (ESI) m / z 381 [M+H] + .
- Step 3 2-Bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(tetrahydro-2H)
- pyran-4-yl)amino)-6-methylpyridazine-7-carboxamide Yield 27%.
- Step 1 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methylpyridazine-7-carbonitrile: 5-amino in sequence in a dry 50 mL three-necked flask 2-Bromo-6-methylpyridazine-7-carbonitrile (300 mg, 1.20 mmol) and oxetanone (0.6 mL) were dissolved in titanium tetraisopropyloxy (2 mL). Stir at 65 ° C overnight.
- Step 2 Preparation of 2-bromo-5-(ethyl(oxetan-3-yl)amino)-6-methylpyridazine-7-carbonitrile: The procedure was the same as step 4 in Example 55. The yield was 51%. MS (ESI) m / z 334 [M+H] + .
- Step 3 Preparation of 2-bromo-5-(ethyl(oxetan-3-yl)amino)-6-methylpyridazine-7-carboxylic acid: The procedure was the same as step 5 in Example 55. The yield was 68%. MS (ESI) m / z 353 [M+H] + .
- Step 4 2-Bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl (oxetane) Preparation of alk-3-yl)amino)-6-methylpyridazine-7-carboxamide: The procedure was the same as in Step 6 of Example 55. The yield was 22%.
- Example 60 5-(Azetidin-3-yl(ethyl)amino)-2-bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydro) Preparation of pyridin-3-yl)methyl)-6-methylpyridazine-7-carboxamide:
- Step 1 Preparation of tert-butyl 3-((2-bromo-7-cyano-6-methylpyridazin-5-yl)amino)azetidin-1-carboxylate: yield 49% .
- Step 2 Preparation of tert-butyl 3-((2-bromo-7-cyano-6-methylpyridazin-5-yl)(ethyl)amino)azetidin-1-carboxylate: The rate is 77%.
- Step 3 Preparation of 2-bromo-5-((1-(tert-butoxycarbonyl)azetidin-3-yl)(ethyl)amino)-6-methylpyridazine-7-carboxylic acid: The yield was 74%. MS (ESI) m/z 452 [M+H] + .
- Step 4 3-((2-Bromo-7-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6
- methyl-pyridazin-5-yl)(ethyl)amino)azetidin-1-carboxylic acid tert-butyl ester Yield 31%.
- MS (ESI) m/z 586 [M+H] + .
- Step 5 5-(Azetidin-3-yl(ethyl)amino)-2-bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridine)
- -3-yl)methyl)-6-methylpyridazine-7-carboxamide 3-((2-bromo-7-((4,6-II) was added sequentially in a dry 50 mL three-necked flask) Methyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6-methylpyridazin-5-yl)(ethyl)amino)azetidine
- 1-carboxylate (20 mg, 0.034 mmol)
- trifluoroacetic acid (1 mL) was dissolved in dichloromethane (1 mL).
- Step 1 Preparation of 4-((2-bromo-7-cyano-6-methylpyridazin-5-yl)amino)piperidine-1-carboxylic acid tert-butyl ester: Yield 28%. MS (ESI) m/z 436 [M+H] + .
- Step 2 Preparation of 4-((2-bromo-7-cyano-6-methylpyridazin-5-yl)(ethyl)amino)piperidine-1-carboxylic acid tert-butyl ester: Yield 59 %. MS (ESI) m / z 461 [M+H] + .
- Step 3 Preparation of 2-bromo-5-((1-(tert-butoxycarbonyl)piperidin-4-yl)(ethyl)amino)-6-methylpyridazine-7-carboxylic acid: Yield 64%. MS (ESI) m / z 614 [M+H] + .
- Step 4 4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-6-methylpyridazin-5-yl) (ethyl Preparation of amino)piperidine-1-carboxylic acid tert-butyl ester: yield 43%. MS (ESI) m / z 614 [M+H] + .
- Step 5 2-Bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(piperidine-4)
- Step 1 Preparation of 2-bromo-5-(ethyl(piperidin-4-yl)amino)-6-methylpyridazine-7-carboxylic acid: Add 2 in a dry 50 mL round bottom flask at room temperature -Bromo-5-((1-(tert-butoxycarbonyl)piperidin-4-yl)(ethyl)amino)-6-methylpyridazine-7-carboxylic acid (80 mg, 0.16 mmol), methylene chloride (2 mL), trifluoroacetic acid (1 mL). After stirring at room temperature for 1 hour, the reaction was completed by TLC. MS (ESI) m/z 380 [M+H] + .
- Step 2 Preparation of 5-((1-acetylpiperidin-4-yl)(ethyl)amino)-2-bromo-6-methylpyridazine-7-carboxylic acid: in a dry 25 mL round bottom flask 2-Bromo-5-(ethyl(piperidin-4-yl)amino)-6-methylpyridazine-7-carboxylic acid (60 mg, 0.16 mmol), acetyl chloride (0.2 mL), THF (1 mL) was stirred at room temperature for 1 hour.
- Step 3 5-((1-Acetylpiperidin-4-yl)(ethyl)amino)-2-bromo-N-((4,6-dimethyl-2-oxo-1,2- Preparation of dihydropyridin-3-yl)methyl)-6-methylpyridazin-7-carboxamide: 5-((1-acetylpiperidin-4) was prepared in a similar manner to Step 6 in Example 1. -yl)(ethyl)amino)-2-bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-A The pyridazine-7-carboxamide has a yield of 8%.
- Step 1 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-phenylpyridazin-7-carbonitrile: The same procedure as in Example 31 1. The yield was 45%. MS (ESI) m / z 360 [M+H] + .
- Step 2 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-phenylpyridazine-7-carboxylic acid: procedure as in Example 55 5. The yield was 68%. MS (ESI) m/z 379 [M+H] + .
- Step 3 N-(4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(tetrahydro-2H-pyran-4)
- N-(4,6-dimethyl-2-) was prepared in a similar manner to step 6 in Example 1.
- Azin-7-carboxamide in 14% yield
- Step 1 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(4-morpholinephenyl)pyridazine-7-carbonitrile: The yield was 54%. MS (ESI) m / z 445 [M+H] + .
- Step 2 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(4-morpholinephenyl)pyridazine-7-carboxylic acid: MS (ESI) m / z 464 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(tetrahydro-2H-pyran)- Preparation of 4-yl)amino)-6-methyl-2-(4-morpholinephenyl)pyridazine-7-carboxamide: The yield in two steps was 31%.
- Example 65 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(tetrahydro-2H-pyran) Preparation of 4-yl)amino)-6-methyl-2-(1-methyl-1H-pyrazol-5-yl)pyridazin-7-carboxamide:
- Step 1 5-(Ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(1-methyl-1H-pyrazol-5-yl)pyridazine-7
- Step 2 5-(Ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(1-methyl-1H-pyrazol-5-yl)pyridazine-7 -
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(tetrahydro-2H-pyran)-
- 4-yl)amino)-6-methyl-2-(1-methyl-1H-pyrazol-5-yl)pyridazine-7-carboxamide a two-step yield of 23%.
- Step 1 5-(Ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(1-methyl-1H-pyrazol-4-yl)pyridazine-7 -
- MS (ESI) m / z 364 [M+H] + .
- Step 2 5-(Ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(1-methyl-1H-pyrazol-4-yl)pyridazine-7 -
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(tetrahydro-2H-pyran)-
- 4-yl)amino)-6-methyl-2-(1-methyl-1H-pyrazol-4-yl)pyridazin-7-carboxamide a two-step yield of 53%.
- Step 1 5-(Ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(4,4,5,5-tetramethyl-1,3,2- Preparation of dioxaborolan-2-yl)pyridazine-7-carbonitrile: The procedure of Example 1 in Example 50 was followed. The yield was 48%. MS (ESI) m / z 410 [M+H] + .
- Step 2 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(thiazol-2-yl)pyridazin-7-carbonitrile: operation Step 1 in Example 31. The yield was 66%. MS (ESI) m / z 367 [M+H] + .
- Step 3 Preparation of 5-(ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(thiazol-2-yl)pyridazine-7-carboxylic acid: operation Step 5 in Example 55. MS (ESI) m/z 386 [M+H] + .
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(tetrahydro-2H-pyran)- Preparation of 4-yl)amino)-6-methyl-2-(thiazol-2-yl)pyridazin-7-carboxamide: The procedure was the same as in Step 6 of Example 1. The yield in two steps was 21%.
- Step 1 Preparation of (E)-2-((1H-imidazol-5-yl)methylene)succinonitrile: Yield 51%. MS (ESI) m / z 159 [M+H] + .
- Step 2 Preparation of 5-amino-6-methylimidazo[1,5-a]pyridine-7-carbonitrile: Yield 38%. MS (ESI) m/z 173 [M+H] + .
- Step 3 Preparation of 6-methyl-5-((tetrahydro-2H-pyran-4-yl)amino)imidazo[1,5-a]pyridine-7-carbonitrile: Yield 7%. MS (ESI) m / z 257 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(methyl(tetrahydro-2H-pyran-4-yl)amino)imidazo[1,5-a]pyridine-7-carbonitrile: dried 25 mL three-neck 6-Methyl-5-((tetrahydro-2H-pyran-4-yl)amino)imidazo[1,5-a]pyridine-7-carbonitrile (80 mg, 0.31 mmol) was added to the bottle in turn. Polyoxymethylene (93 mg, 3.12 mmol) was dissolved in formic acid (2 mL). Heat to reflux for 3 hours. After completion of the reaction, 30 mg of a yellow solid was obtained by a thin layer chromatography, yield 36%. MS (ESI) m / z 271 [M+H] + .
- Step 5 Preparation of 6-methyl-5-(methyl(tetrahydro-2H-pyran-4-yl)amino)imidazo[1,5-a]pyridine-7-carboxylic acid: MS (ESI) m/z 290 [M+H] + .
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(methyl(tetrahydro-) Preparation of 2H-pyran-4-yl)amino)imidazo[1,5-a]pyridine-7-carboxamide: The yield in two steps was 9%.
- Step 1 Preparation of 4-chloro-1H-pyrrole-2-carbaldehyde: Yield 34%. MS (ESI) m / z 130 [M+H] + .
- Step 2 Preparation of 4-chloro-1-(2-oxopropyl)-1H-pyrrole-2-carbaldehyde: Yield 56%. MS (ESI) m/z 186 [M+H] + .
- Step 3 Preparation of ethyl 5-acetyl-2-chloro-6-methylpyridazine-7-carboxylate: Yield 58%. MS (ESI) m/z 280 [M+H] + .
- Step 4 Preparation of 2-chloro-6-methyl-5-(1-morphinolinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 363 [M+H] + .
- Step 5 Preparation of 2-chloro-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid isopropyl ester: The overall yield in two steps was 50%. MS (ESI) m/z 355 [M+H] + .
- Step 6 Preparation of 2-chloro-6-methyl-5-(1-morphinolinylethyl)pyridazine-7-carboxylic acid: Yield 75%. MS (ESI) m / z 323 [M+H] + .
- Step 7 2-Chloro-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1- Preparation of morphinolinylethyl)pyridazine-7-carboxamide: Yield 25%.
- Example 70 2-Chloro-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-( Preparation of dimethylamino)piperidin-1-yl)ethyl)-6-methylpyridazine-7-carboxamide:
- Step 1 Preparation of 2-chloro-5-(1-(4-(dimethylamino)piperidin-1-yl)vinyl)-6-methylpyridazine-7-carboxylic acid isopropyl ester: MS ( ESI) m/z 404 [M+H] + .
- Step 2 Preparation of 2-chloro-5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)-6-methylpyridazine-7-carboxylic acid isopropyl ester: Yield It is 36%. MS (ESI) m/z 406 [M+H] + .
- Step 3 Preparation of 2-chloro-5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)-6-methylpyridazine-7-carboxylic acid: 97% yield .
- Step 4 2-Chloro-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(2) Preparation of methylamino)piperidin-1-yl)ethyl)-6-methylpyridazine-7-carboxamide: Yield 15%.
- Step 1 1-(2-Oxopropyl)-1H-imidazole-5-carbaldehyde was prepared in 8% yield. MS (ESI) m/z 153 [M+H] + .
- Step 2 Preparation of ethyl 5-acetyl-6-methylimidazo[1,5-a]pyridine-7-carboxylate: Yield 31%. MS (ESI) m / z 247 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylvinyl)imidazo[1,5-a]pyridine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 330 [M +H] + .
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)imidazo[1,5-a]pyridine-7-carboxylic acid isopropyl ester: The overall yield in two steps was 32%. MS (ESI) m / z 332 [M+H] + .
- Step 5 Preparation of 6-methyl-5-(1-morphinolinylethyl)imidazo[1,5-a]pyridine-7-carboxylic acid: Yield 66%. MS (ESI) m/z 290 [M+H] + .
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- Preparation of imidazo[1,5-a]pyridine-7-carboxamide Yield 18%.
- Step 1 1 - Preparation of (2-oxopropyl)-1H-imidazole-2-carboxaldehyde: Yield 10%. MS (ESI) m/z 153 [M+H] + .
- Step 2 Preparation of ethyl 5-acetyl-6-methylimidazo[1,2-a]pyridine-7-carboxylate: Yield 17%. MS (ESI) m / z 247 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morphinolinylvinyl)imidazo[1,2-a]pyridine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 330 [M +H] + .
- Step 4 Preparation of 6-methyl-5-(1-morphinolinylethyl)imidazo[1,2-a]pyridine-7-carboxylic acid isopropyl ester: a two-step total yield of 50%. MS (ESI) m / z 332 [M+H] + .
- Step 5 Preparation of 6-methyl-5-(1-morphinolinylethyl)imidazo[1,2-a]pyridine-7-carboxylic acid: Yield 82%. MS (ESI) m/z 290 [M+H] + .
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morphinyl B
- Preparation of imidazo[1,2-a]pyridine-7-carboxamide Yield 18%.
- Step 1 5-(Ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(1-methyl-1H-imidazol-4-yl)pyridazine-7- Preparation of carbonitrile: Yield 43%. MS (ESI) m / z 364 [M+H] + .
- Step 2 5-(Ethyl(tetrahydro-2H-pyran-4-yl)amino)-6-methyl-2-(1-methyl-1H-imidazol-4-yl)pyridazine-7- Preparation of carboxylic acid: MS (ESI) m/z 381 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(ethyl(tetrahydro-2H-pyran)-
- 4-yl)amino)-6-methyl-2-(1-methyl-1H-imidazol-4-yl)pyridazine-7-carboxamide a two-step yield of 21%.
- Step 1 Preparation of 2-(3-formylphenyl)-6-methyl-5-(1-morpholineethyl)pyridazine-7-carboxylic acid isopropyl ester: similar to Step 1 in Example 31, The yield was 25%. MS (ESI) m / z 348 [M+H] + .
- Step 2 Preparation of 2-(3-((dimethyl)methyl)phenyl)-6-methyl-5-(1-morpholineethyl)pyridazine-7-carboxylic acid isopropyl ester: Add 2-(3-formylphenyl)-6-methyl-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid isopropyl ester (100 mg, in a dry 50 mL round bottom flask at room temperature.
- Step 3 Preparation of 2-(3-((dimethylamine)methyl)phenyl)-6-methyl-5-(1-morpholineethyl)pyridazine-7-carboxylic acid:
- Example 31 Step 4 is similar.
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-(3-((dimethylamine)methyl)
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-(3-((dimethylamine)methyl)
- phenyl)-6-methyl-5-(1-morpholineethyl)pyridazin-7-amide Similar to Step 5 in Example 31, the yield in two steps was 18%.
- Step 1 Preparation of 2-(4-formylphenyl)-6-methyl-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid isopropyl ester: Yield 34%. MS (ESI) m / z 348 [M+H] + .
- Step 2 Synthesis of 2-(4-((dimethylamino)methyl)phenyl)-6-methyl-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid isopropyl ester: The yield was 47%. MS (ESI) m / z 464 [M+H] + .
- Step 3 Synthesis of 2-(4-((dimethylamino)methyl)phenyl)-6-methyl-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid: MS (ESI ) m/z 422 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-(4-((dimethylamino)methyl) Synthesis of phenyl)-6-methyl-5-(1-morpholinoethyl)pyridazine-7-carboxamide in a two-step yield of 11%.
- Step 1 Synthesis of ethyl 5-acetyl-2-(7-cyanoindole-5-yl)-6-methylpyridazin-7-carboxylate: Yield 52%. MS (ESI) m/z 384 [M+H] + .
- Step 2 Synthesis of ethyl 2-(7-cyanoindole-5-yl)-6-methyl-5-(1-morpholinovinyl)pyridazine-7-carboxylate: MS ( ESI) m/z 471 [M+H] + .
- Step 3 Synthesis of isopropyl 2-(7-cyanoindole-5-yl)-6-methyl-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid ethyl ester: two steps The yield was 69%. MS (ESI) m / z 473 [M+H] + .
- Step 4 Synthesis of 2-(7-cyanoindole-5-yl)-6-methyl-5-(1-morpholino)pyridazine-7-carboxylic acid: MS (ESI) m/z 431 [M +H] + .
- Step 5 2-(7-Cyanoindol-5-yl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl) Synthesis of -6-methyl-5-(1-morpholinoethyl)pyridazine-7-carboxamide in a two-step yield of 10%.
- Example 77 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino) Preparation of piperidin-1-yl)ethyl)-6-methyl-2-(1-methyl-1H-pyrazol-3-yl)pyridazin-7-carboxamide:
- Step 1 Synthesis of ethyl 5-acetyl-6-methyl-2-(1-methyl-1H-pyrazol-3-yl)pyridazin-7-carboxylate in a yield of 51%.
- Step 2 5-(1-(4-(Dimethylamino)piperidin-1-yl)vinyl)-6-methyl-2-(1-methyl-1H-pyrazol-3-yl) Synthesis of oxazide-7-carboxylic acid isopropyl ester: MS (ESI) m/z 450 [M+H] + .
- Step 2 5-(1-(4-(Dimethylamino)piperidin-1-yl)ethyl)-6-methyl-2-(1-methyl-1H-pyrazol-3-yl) Synthesis of oxime-7-formic acid isopropyl ester in a two step yield of 56%.
- MS (ESI) m/z 452 [M+H] + .
- Step 3 5-(1-(4-(Dimethylamino)piperidin-1-yl)ethyl)-6-methyl-2-(1-methyl-1H-pyrazol-3-yl) Synthesis of oxazine-7-carboxylic acid: MS (ESI) m/z 410 [M+H] + .
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino)) Synthesis of piperidin-1-yl)ethyl)-6-methyl-2-(1-methyl-1H-pyrazol-3-yl)pyridazin-7-carboxamide, two-step yield: 4% .
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(3-cyanophenyl)pyridazine-7-carboxylate: Yield 52%. MS (ESI) m/z 374 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morpholinevinyl)-1-(3-cyanophenyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 430 [ M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morpholineethyl)-1-(3-cyanophenyl)pyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 72%. MS (ESI) m/z 422 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morpholineethyl)-1-(3-cyanophenyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 388 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholineethyl)
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholineethyl)
- N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl-1H-imidazole- 2-Base)-5-(1-morpholinoethyl)pyridazine-7-carboxamide was similar to Example 50.
- Step 1 Synthesis of ethyl 5-acetyl-6-methyl-2-(1-methyl-1H-imidazol-2-yl)pyridazin-7-carboxylate, yield 49%.
- Step 2 Synthesis of ethyl isopropyl-6-methyl-2-(1-methyl-1H-imidazol-2-yl)-5-(1-morpholinovinyl)pyridazine-7-carboxylate MS (ESI) m/z 409 [M+H] + .
- Step 3 Synthesis of ethyl isopropyl-6-methyl-2-(1-methyl-1H-imidazol-2-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxylate The yield is 65%. MS (ESI) m / z 411 [M+H] + .
- Step 4 Synthesis of 6-methyl-2-(1-methyl-1H-imidazol-2-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid: MS (ESI) m /z 369[M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl-1H -Imidazolyl-2-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxamide in 22% yield.
- Example 80 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-morpholine-1-ethyl)- Preparation of 6-methyl-2-(3-(morpholinemethylene)phenyl)pyridazin-7-amide:
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(3-(morpholinemethylene)phenyl)pyridazine-7-carboxylate: Yield 46%. MS (ESI) m/z 420 [M+H] + .
- Step 2 Preparation of 5-(1-morpholine-1-vinyl)-6-methyl-2-(3-(morpholinemethylene)phenyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 504 [M+H] + .
- Step 3 5-(1-morpholine-1-ethyl)-6-methyl-2-(3-(morpholinemethylene)phenyl)pyridazine-7-carboxylic acid isopropyl ester
- MS (ESI) m/z 564 [M+H]+.
- Step 4 Preparation of 5-(1-morpholine-1-ethyl)-6-methyl-2-(3-(morpholinemethylene)phenyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 377 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-morpholine-1-ethyl)-6
- Example 81 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-1-(1-methyl- Preparation of 1H-pyrazol-5-yl)-5-(1-morpholineethyl)pyridazine-7-amide:
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-1-(1-methyl-1H-pyrazol-5-yl)pyridazine-7-carboxylate: Yield 33%. MS (ESI) m / z 326 [M+H] + .
- Step 2 Preparation of 6-methyl-1-(1-methyl-1H-pyrazol-5-yl)-5-(1-morphinanvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS ( ESI) m/z 409 [M+H] + .
- Step 3 Preparation of 6-methyl-1-(1-methyl-1H-pyrazol-5-yl)-5-(1-morpholineethyl)pyridazine-7-carboxylic acid isopropyl ester: two steps The yield was 30%. MS (ESI) m / z 411 [M+H] + .
- Step 4 Preparation of 6-methyl-1-(1-methyl-1H-pyrazol-5-yl)-5-(1-morpholineethyl)pyridazine-7-carboxylic acid: MS (ESI) m /z 369[M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-1-(1-methyl-1H
- pyrazol-5-yl)-5-(1-morpholineethyl)pyridazine-7-amide a two-step yield of 16%.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-1-phenylpyridazin-7-carboxylate: Yield 14%. MS (ESI) m/z 322 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morpholinevinyl)-1-phenylpyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 405[M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morpholineethyl)-1-phenylpyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 38%. MS (ESI) m/z 320 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morpholineethyl)-1-phenylpyridazine-7-carboxylic acid: MS (ESI) m/z 278[M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholineethyl)
- -1-phenylpyridazine-7-amide The yield in two steps was 17.
- Step 1 5-(1-(4-(tert-Butoxycarbonyl)piperazin-1-yl)vinyl)-6-methyl-2-(1-methyl-1H-pyrazole-5-yl
- Step 2 5-(1-(4-(tert-Butoxycarbonyl)piperazin-1-yl)ethyl)-6-methyl-2-(1-methyl-1H-pyrazole-5-yl
- Step 3 6-Methyl-2-(1-methyl-1H-pyrazol-5-yl)-5-(1-(piperazin-1-yl)ethyl)pyridazine-7-carboxylic acid isopropyl Synthesis of the ester: 5-(1-(4-(tert-butoxycarbonyl)piperazin-1-yl)ethyl)-6-methyl-2-(1-methyl) in a 100 ml dry single-mouth bottle Base-1H-pyrazol-5-yl)pyridazine-7-carboxylic acid isopropyl (360 mg (crude), 0.7 mmol) was dissolved in 2 mL of dichloromethane, and trifluoroacetic acid (1 ml) was added at 0.
- Step 4 6-Methyl-2-(1-methyl-1H-pyrazol-5-yl)-5-(1-(4-(2,2,2-trifluoroethyl)piperazine-1 Synthesis of -ethyl)ethyl)pyridazine-7-carboxylic acid isopropyl: 6-methyl-2-(1-methyl-1H-pyrazol-5-yl)- in a 100 ml dry single-mouth bottle 5-(1-(piperazin-1-yl)ethyl)pyridazine-7-carboxylic acid isopropyl ester (300 mg (crude), 0.73 mmol) was dissolved in tetrahydrofuran (5 mL), and 2, 2, 2- Fluorine ethyl trifluoromethanesulfonate (172 mg, 0.74 mmol), triethylamine (206 mg, 2.0 mmol), EtOAc (EtOAc m. The organic layer was dried over anhydrous sodium s
- Step 5 6-Methyl-2-(1-methyl-1H-pyrazol-5-yl)-5-(1-(4-(2,2,2-trifluoroethyl)piperazine-1 Synthesis of -ethyl)ethyl)pyridazine-7-carboxylic acid: Step 4 in the same manner as in Example 31. MS (ESI) m / z 450 [M+H] + .
- Step 6 N-((4-Methoxy-6-methyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl -1H-pyrazol-5-yl)-5-(1-(4-(2,2,2-trifluoroethyl)piperazin-1-yl)ethyl)pyridazine-7-carboxamide Synthesis: Same as step 5 in Example 31. The yield in two steps was 9%.
- Example 84 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl- Preparation of 1H-pyrazol-5-yl)-5-(1-(4-(222-trifluoroethyl)piperazin-1-yl)ethyl)pyridazine-7-carboxamide:
- Step 1 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl-1H Synthesis of pyrazol-5-yl)-5-(1-(4-(2,2,2-trifluoroethyl)piperazin-1-yl)ethyl)pyridazine-7-carboxamide: same Step 5 in Example 31. The yield was 8%.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(1-methyl-1H-pyrazol-3-yl)pyridazin-7-carboxylate: Yield 39%. MS (ESI) m / z 326 [M+H] + .
- Step 2 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-3-yl)-5-(1-morpholinovinyl)pyridazine-7-carboxylic acid isopropyl ester:
- Step 3 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-3-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid isopropyl ester: two The step yield was 37%. MS (ESI) m / z 411 [M+H] + .
- Step 4 Preparation of 6-methyl-2-(1-methyl-1H-pyrazol-3-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid, yield 84% .
- MS (ESI) m / z 369 [M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl-1H Preparation of pyrazol-3-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxamide in 7% yield.
- Example 86 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl- Preparation of 1H-imidazol-5-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxamide: Example 50.
- Step 1 Synthesis of ethyl 5-acetyl-6-methyl-2-(1-methyl-1H-imidazol-5-yl)pyridazine-7-carboxylate in a yield of 80%.
- Step 2 Synthesis of 6-methyl-2-(1-methyl-1H-imidazol-5-yl)-5-(1-morpholinovinyl)pyridazine-7-carboxylic acid isopropyl ester: MS ( ESI) m/z 409 [M+H] + .
- Step 3 Synthesis of 6-methyl-2-(1-methyl-1H-imidazol-5-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid isopropyl ester, yield 48%. MS (ESI) m / z 411 [M+H] + .
- Step 4 Synthesis of 6-methyl-2-(1-methyl-1H-imidazol-5-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid: MS (ESI) m /z 369[M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(1-methyl-1H -Imidazol-5-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxamide in 10% yield.
- Example 87 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholino
- Example 50 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholino
- Step 1 Synthesis of ethyl 5-methyl-6-methyl-2-(thiazol-5-yl)pyridazin-7-carboxylate in 33% yield. MS (ESI) m / z 329 [M+H] + .
- Step 2 Synthesis of 6-methyl-5-(1-morpholinoethyl)-2-(thiazol-5-yl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 412 [ M+H] + .
- Step 3 Synthesis of 6-methyl-5-(1-morpholinoethyl)-2-(thiazol-5-yl)pyridazine-7-carboxylic acid isopropyl ester in a two-step yield of 63%.
- Step 4 Synthesis of 6-methyl-5-(1-morpholinoethyl)-2-(thiazol-5-yl)pyridazine-7-carboxylic acid: MS (ESI) m/z 372.3 [M+ H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholino B 2-(thiazol-5-yl)pyridazin-7-carboxamide, 17% yield in two steps.
- Example 88 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholine B
- 2-(2-thiazol-4-yl)pyridazin-7-amide Example 50.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(thiazol-4-yl)pyridazin-7-carboxylate: Yield 38%. MS (ESI) m / z 329 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morpholinevinyl)-2-(thiazol-4-yl)pyridazin-7-carboxylic acid isopropyl ester: MS (ESI) m/z 406 [M +H] + .
- Step 3 Preparation of 6-methyl-5-(1-morpholineethyl)-2-(thiazol-4-yl)pyridazin-7-carboxylic acid isopropyl ester: a two-step yield of 35%. MS (ESI) m / z 408 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morpholineethyl)-2-(thiazol-4-yl)pyridazine-7-carboxylic acid: MS (ESI) m/z 366 [M+H] + .
- Example 89 2-(6-Aminopyridin-3-yl)-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6 Preparation of methyl-5-(1-morpholineethyl)pyridazine-7-amide: same as in Example 31.
- Step 1 Preparation of ethyl 5-acetyl-2-(6-aminopyridin-3-yl)-6-methylpyridazine-7-carboxylate: Yield 71%. MS (ESI) m/z 338 [M+H] + .
- Step 2 Preparation of 2-(6-aminopyridin-3-yl)-6-methyl-5-(1-morphinanvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 421[M+H] + .
- Step 3 Preparation of 2-(6-aminopyridin-3-yl)-6-methyl-5-(1-morpholineethyl)pyridazine-7-carboxylic acid isopropyl ester: 50% yield in two steps .
- MS (ESI) m/z 422 [M+H] + .
- Step 4 Preparation of 2-(6-aminopyridin-3-yl)-6-methyl-5-(1-morpholineethyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 381 [M +H] + .
- Example 90 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholino Preparation of ethyl)-2-(6-(piperazin-1-yl)pyridin-3-yl)pyridazin-7-carboxamide: Example 44.
- Step 1 5-Ethyl-2-(6-(4-(tert-butoxycarbonyl)piperazin-1-yl)pyridin-3-yl)-6-methylpyridazine-7-carboxylic acid ethyl ester Synthesis, yield 65%. MS (ESI) m / z 507 [M+H] + .
- Step 2 2-(6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)pyridin-3-yl)-6-methyl-5-(1-morpholinovinyl)pyridazine Synthesis of -7-isopropyl formate: MS (ESI) m/z 589 [M+H] + .
- Step 3 2-(6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)pyridin-3-yl)-6-methyl-5-(1-morpholinoethyl)pyridazine Synthesis of -7-isopropyl formate: The yield in two steps was 54%. MS (ESI) m/z 592 [M+H] + .
- Step 4 2-(6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)pyridin-3-yl)-6-methyl-5-(1-morpholinoethyl)pyridazine Synthesis of -7-carboxylic acid: MS (ESI) m/z 549 [M+H] + .
- Step 5 tert-Butyl 4-(5-(7-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)- Synthesis of 6-methyl-5-(1-morpholinoethyl)indol-2-yl)pyridin-2-yl)piperazine-1-carboxylic acid: MS (ESI) m/z 684 [M+H ] + .
- Step 6 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholino
- MS (ESI) m/z 564 [M+H] + .
- Example 91 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(6-(4- Preparation of methylpiperazin-1-yl)pyridin-3-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxamide:
- Step 1 6-Methyl-2-(6-(4-methylpiperazin-1-yl)pyridin-3-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid Synthesis of propyl ester: 6-methyl-5-(1-morpholino)-2-(6-(piperazin-1-yl)pyridin-3-yl) was added to a dry nitrogen-protected 100 ml single-mouth bottle.
- Step 2 6-Methyl-2-(6-(4-methylpiperazin-1-yl)pyridin-3-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxylic acid Synthesis: Same as step 4 in Example 31. MS (ESI) m / z 464 [M+H] + .
- Step 3 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-2-(6-(4-A) Synthesis of hydrazin-1-yl)pyridin-3-yl)-5-(1-morpholinoethyl)pyridazine-7-carboxamide: Step 5 in Example 31.
- the three-step yield was 3%.
- Example 92 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino) Preparation of piperidin-1-yl)ethyl)-6-methyl-2-(3,4,5-trimethoxyphenyl)-pyridazine-7-carboxamide: Example 31.
- Step 1 5-(1-(4-(Dimethylamino)piperidin-1-yl)vinyl)-6-methyl-2-(3,4,5-trimethoxyphenyl)-indole Synthesis of azine-7-formic acid isopropyl ester: MS (ESI) m/z 536 [M+H] + .
- Step 2 5-(1-(4-(Dimethylamino)piperidin-1-yl)ethyl)-6-methyl-2-(3,4,5-trimethoxyphenyl)-indole Synthesis of azine-7-formic acid isopropyl ester: 60% yield in two steps. MS (ESI) m/z 564 [M+H] + .
- Step 3 5-(1-(4-(Dimethylamino)piperidin-1-yl)ethyl)-6-methyl-2-(3,4,5-trimethoxyphenyl)-indole Synthesis of azine-7-carboxylic acid: MS (ESI) m/z 496.5 [M+H] + .
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino)) Synthesis of piperidin-1-yl)ethyl)-6-methyl-2-(3,4,5-trimethoxyphenyl)-pyridazine-7-carboxamide in a two-step yield of 29%.
- Example 93 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino) Preparation of piperidin-1-yl)ethyl)-6-methyl-2-(pyridin-4-yl)pyridazin-7-carboxamide: Example 31.
- Step 1 5-(1-(4-(Dimethylamino)piperidin-1-yl)vinyl)-6-methyl-2-(pyridin-4-yl)pyridazine-7-carboxylic acid isopropyl Synthesis of the ester: MS (ESI) m/z 447 [M+H] + .
- Step 2 5-(1-(4-(Dimethylamino)piperidin-1-yl)ethyl)-6-methyl-2-(pyridin-4-yl)pyridazine-7-carboxylic acid isopropyl Synthesis of the ester, the yield in two steps was 52%. MS (ESI) m/z 449 [M+H] + .
- Step 3 Synthesis of 5-(1-(4-(dimethylamino)piperidin-1-yl)ethyl)-6-methyl-2-(pyridin-4-yl)pyridazine-7-carboxylic acid
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-5-(1-(4-(dimethylamino)) Synthesis of piperidin-1-yl)ethyl)-6-methyl-2-(pyridin-4-yl)pyridazin-7-carboxamide in a two-step yield of 37%.
- Example 94 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholineethyl
- Example 94 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholineethyl
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(3,5-dimethylphenyl)pyridazine-7-carboxylate in 60% yield. MS (ESI) m/z 381 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-morpholinevinyl)-1-(3,5-dimethylphenyl)pyridazine-7-carboxylic acid isopropyl ester
- Step 3 Preparation of 6-methyl-5-(1-morpholineethyl)-1-(3,5-dimethylphenyl)pyridazine-7-carboxylic acid isopropyl ester, 55% yield in two steps .
- Step 4 Preparation of 6-methyl-5-(1-morpholineethyl)-1-(3,5-dimethylphenyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 425 [ M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholineethyl) Preparation of -1-(3,5-dimethylphenyl)pyridazine-7-amide in 6% yield in two steps.
- Example 95 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholineethyl
- Preparation of 1-(34-dimethylphenyl)pyridazin-7-amide same as in Example 31.
- Step 1 Preparation of ethyl 5-acetyl-6-methyl-2-(3,4-dimethylphenyl)pyridazine-7-carboxylate in a yield of 42%.
- Step 2 Preparation of 6-methyl-5-(1-morpholinevinyl)-1-(3,4-dimethylphenyl)pyridazine-7-carboxylic acid isopropyl ester. MS (ESI) m/z 465 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-morpholineethyl)-1-(3,4-dimethylphenyl)pyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 55% .
- MS (ESI) m / z 467 [M+H] + .
- Step 4 Preparation of 6-methyl-5-(1-morpholineethyl)-1-(3,4-dimethylphenyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 425 [ M+H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-morpholineethyl) Preparation of 1-(3,4-dimethylphenyl)pyridazine-7-amide in 13% yield in two steps.
- Example 96 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-(3-methoxyphenyl)-6 Preparation of methyl-5-(1-morpholino)pyridazine-7-carboxamide: same as in Example 31.
- Step 1 Synthesis of ethyl 5-acetyl-2-(3-methoxyphenyl)-6-methylpyridazin-7-carboxylate: Yield 72%. MS (ESI) m/z 352 [M+H] + .
- Step 2 Synthesis of 2-(3-methoxyphenyl)-6-methyl-5-(1-morpholinevinyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 435 [M+H] + .
- Step 3 Synthesis of 2-(3-methoxyphenyl)-6-methyl-5-(1-morpholinethyl)pyridazine-7-carboxylic acid isopropyl ester: a two-step yield of 52%.
- Step 4 Synthesis of 2-(3-methoxyphenyl)-6-methyl-5-(1-morpholineethyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 395 [M+H ] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-(3-methoxyphenyl)-6- Synthesis of methyl-5-(1-morpholinethyl)pyridazine-7-carboxamide in 50% yield.
- Example 97 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-(4-methoxyphenyl)-6
- Step 1 Synthesis of ethyl 5-acetyl-2-(4-methoxyphenyl)-6-methylpyridazine-7-carboxylate in 60% yield. MS (ESI) m/z 352 [M+H] + .
- Step 2 Synthesis of 2-(4-methoxyphenyl)-6-methyl-5-(1-morpholinylvinyl)pyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 435 [M+H] + .
- Step 3 Synthesis of 2-(4-methoxyphenyl)-6-methyl-5-(1-morpholinylethyl)pyridazine-7-carboxylic acid isopropyl ester in a two-step yield of 41%.
- Step 4 Synthesis of 2-(4-methoxyphenyl)-6-methyl-5-(1-morpholinylethyl)pyridazine-7-carboxylic acid: MS (ESI) m/z 395 [M+ H] + .
- Step 5 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-2-(4-methoxyphenyl)-6- Synthesis of methyl-5-(1-morpholinoethyl)pyridazine-7-carboxamide in 7% yield in two steps.
- Example 98 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(4-A) Preparation of piperazine)-1-ethyl)-2-bromopyridazine-7-carboxamide: Example 30.
- Step 1 Preparation of 6-methyl-5-(1-(4-methylpiperazine)-1-vinyl)-2bromopyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 420 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-(4-methylpiperazine)-1-ethyl)-2-bromopyridazine-7-carboxylic acid isopropyl ester in a two-step yield of 87%.
- MS (ESI) m/z 422 [M+H] + .
- Step 3 Preparation of 6-methyl-5-(1-(4-methylpiperazine)-1-ethyl)-2-bromopyridazine-7-carboxylic acid: MS (ESI) m/z 380 [M+ H] + .
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(4-methyl) Preparation of piperazine)-1-ethyl)-2-bromopyridazine-7-carboxamide in 8% yield.
- Example 99 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(4-B Preparation of piperazine)-1-ethyl)-2-bromopyridazine-7-carboxamide: Example 30.
- Step 1 Preparation of 6-methyl-5-(1-(4-ethylpiperazine)-1-vinyl)-2bromopyridazine-7-carboxylic acid isopropyl ester: MS (ESI) m/z 434 [M+H] + .
- Step 2 Preparation of 6-methyl-5-(1-(4-ethylpiperazine)-1-ethyl)-2-bromopyridazine-7-carboxylic acid isopropyl ester in a two-step yield of 99%.
- Step 3 Preparation of 6-methyl-5-(1-(4-ethylpiperazine)-1-ethyl)-2-bromopyridazine-7-carboxylic acid: MS (ESI) m/z 394 [M +H] + .
- Step 4 N-((4,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1-(4-ethyl) Preparation of piperazine)-1-ethyl)-2-bromopyridazine-7-carboxamide in a two step yield of 60%.
- Step 1 Preparation of 2-bromo-5-(1-(4-(tert-butoxycarbonyl)piperazin-1-yl)vinyl)-6-methylpyridazine-7-carboxylic acid isopropyl ester: same Step 1 in Example 30. MS (ESI) m / z 506 [M+H] + .
- Step 2 Preparation of 2-bromo-5-(1-(4-(tert-butoxycarbonyl)piperazin-1-yl)ethyl)-6-methylpyridazine-7-carboxylic acid isopropyl ester: same Step 2 in Example 30. The yield in two steps was 33%. MS (ESI) m / z 508 [M+H] + .
- Step 3 2-Bromo-5-(1-(4-(tert-butoxycarbonyl)piperazin-1-yl)ethyl)-6-methylpyridazine-7-carboxylic acid: same as in Example 30 3. MS (ESI) m/z 466 [M+H] + .
- Step 4 4-(1-(2-(2,6-Dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)aminocarbonyl)- tert-Butyl 6-methylpyridazin-5-yl)ethyl)piperazine-1-carboxylate: Step 4 in Example 30. The yield in two steps was 40%. MS (ESI) m / z 600 [M+H] + .
- Step 5 2-Bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-6-methyl-5-(1- Synthesis of (piperazin-1-yl)ethyl)pyridazine-7-carboxamide, as in Step 5 of Example 60. The yield was 53%.
- 1 H-NMR (CDCl 3 , 400 MHz): 7.34 (s, 1H), 6.57 (s, 1H), 6.12 (s, 1H), 4.64 (s, 2H), 4.19 - 4.18 (m, 1H), 3.
- Example 101 5-(1-(4-Methylpiperazin-1-yl)ethyl)-2-bromo-N-((4,6-dimethyl-2-oxo-1,2- Preparation of dihydropyridin-3-yl)methyl)-6-methylpyridazine-7-carboxamide:
- Step 1 5-(1-(4-Methylpiperazin-1-yl)ethyl)-2-bromo-N-((4,6-dimethyl-2-oxo-1,2-di)
- hydropyridin-3-yl)methyl -6-methylpyridazine-7-carboxamide
- the compound acetyl chloride (140 mg, 1.8 mmol), triethylamine (180 mg, 1.8 mmol) was added, and the mixture was stirred at room temperature for 1 hour.
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Claims (10)
- 一种式I所示的化合物、其药学上可接受的盐、其对映异构体、非对映异构体、互变异构体、溶剂化物、多晶型物或前药,其中,X1为CR4或N;X2为CR5或N;X3为CR6或N;且X1,X2,X3三者中至多一个为N;R4选自H、卤素、取代或未取代的C1-C6烷基;R5或R6选自H、卤素、-COOH、-CN、取代或未取代的5-8元芳基、取代或未取代的5-8元杂芳基、取代或未取代的5-8元芳基并取代或未取代的5-8元杂环基、取代或未取代的5-8元杂芳基并取代或未取代的5-8元杂环基、取代或未取代的5-8元芳基并取代或未取代的5-8元碳环基、取代或未取代的5-8元杂芳基并取代或未取代的5-8元碳环基、取代或未取代的4-8元饱和或不饱和碳环基、取代或未取代的4-8元饱和或不饱和杂环基、取代或未取代的C1-C6烷基羰基、-C(O)O-(取代或未取代的C1-C6烷基)、-C(O)(NRaRb)、取代或未取代的-(CH2)mNRaRb、取代或未取代的C1-C6烷基、硼酸基、取代或未取代的C2-C8烯基、取代或未取代的C2-C8炔基;其中,所述的杂芳基或杂环基包含1-3个选自N、O、S、P的杂原子;m为0-5的整数;并且所述的“取代”指具有选自A组的一个或多个(如1、2、3或4个)取代基;其中,Ra、Rb各自独立地选自H、卤素、取代或未取代的C1-C6烷基、取代或未取代的5-8元碳环、取代或未取代的5-8元杂环,或Ra与Rb与N相连形成取代或未取代的4-8元杂环;其中所述的杂环包含1-3个选自N、O、S、P的杂原子;R2选自H、卤素、取代或未取代的C1-C6烷基、取代或未取代的芳基;其中,R7选自H、取代或未取代的C1-C6烷基;R8和R9各自独立地选自H、取代或未取代的C1-C6烷基;其中,R12和R13各自独立地选自为H、取代或未取代的C1-C4烷基;R14和R15各自独立地选自H、卤素、-NH2、-NO2、-CF3、取代或未取代的C1-C4烷基、取代或未取代的C1-C4烷氧基、取代或未取代的(CH2)nNRcRd,或者R14和R15相连形成取代或未取代的5-6元饱和杂环、或者R14和R15相连形成取代或未取代的5-6元芳环;n为0-4的整数;R16为H、取代或未取代的C1-C4烷基;R17和R19各自独立地选自H、取代或为取代的C1-C4烷基、取代或未取代的C1-C4烷氧基、-(CH2)nNRcRd;其中n为0-4的整数;R18选自H、卤素、-NH2、-NO2、取代或为取代的C1-C4烷基、取代或未取代的C1-C4烷氧基、取代或未取代的(CH2)nNRcRd;其中n为0-4的整数;R20和R21各自独立地选自H、取代或为取代的C1-C4烷基;其中,Rc、Rd分别独立地选自H、取代或未取代的C1-C4烷基;Z选自N或CH;R10和R11各自独立地选自:H、-OH、取代或未取代的C1-C6烷基、-ORe、取代或未取代的4-8元杂环基、取代或未取代的4-8元碳环基、取代或未取代的5-8元芳基、-NRfRg;其中所述的杂环包含1-3个选自N、O、S、P的杂原子;并且所述的“取代”指具有选自B组的一个或多个(如1、2、3或4个)取代基;其中Re选自H、取代或未取代的C1-C6烷基、取代或未取代的C2-C6烯基、取代或未取代的C2-C6炔基、取代或未取代的饱和或不饱和4-8元碳环、取代或未取代的饱和或不饱和4-8元杂环、取代或未取代的5-8元芳基、取代或未取代的5-8元杂芳基、-(CH2)p(取代或未取代的5-8元芳基)、-(CH2)p(取代或未取代的5-8元杂芳基);其中所述的杂环或杂芳基包含1-3个选自N、O、S、P的杂原子;p为0-3的整数;并且所述的“取代”指选自如下所述的一个或多个(如1、2、3或4个)取代基:卤素、C1-C4烷基、C1-C4烷氧基、-NO2、-NRsRt;其中,Rf和Rg各自独立地选自:H、取代或未取代的C1-C6烷基,其中所述的取代基为-OH、C1-C4烷氧基、或-NRsRt;A组取代基选自下组:H、=O、-CN、-COOH、-NRsRt、卤素、取代或未取代的C1-C6烷氧羰基、未取代或取代的C1-C6烷基、取代或未取代的4-8元杂环基、取代或未取代的C1-C4烷氧基;其中所述的杂环基包含1-3个选自N、O、S或P的杂原子;B组取代基选自下组:H、-OH、卤素、未取代或取代的C1-C6烷基、-NRsRt、-NO2、取代或未取代的C1-C6烷氧羰基、取代或未取代的C1-C6烷基磺酰基、取代或未取代的C1-C6烷基羰基、取代或未取代的C1-C6烷氧基、取代或未取代的4-6元杂环基、取代或未取代的C5-C8杂芳基、Boc、苄基;其中所述的杂芳基包含1-3个选自N、O、S或P的杂原子;并且,在所述A组和B组取代基以及Ra、Rb中,所述“取代”指具有选自C组的一个或多个(如1、2、3或4个)取代基:H、卤素、-OH、-CN、C1-C4烷基、C1-C4烷氧基、-NRsRt、5-8元芳基、4-8元杂环基、Boc、C1-C4酰基;并且所述的“取代”为一个或多个(如1、2、3或4个)取代基;并且,所述R7、R8、R9、R12、R13、R14、R15、R16、R17、R18、R19、R20、R21、R22、Rc、Rd中,所述“取代”指具有选自D组的一个或多个(如1、2、3或4个)取代基:H、卤素、C1-C4烷基、C1-C4卤代烷基、硝基、-OH、氨基;Rs和Rt各自独立地选自:H、C1-C4烷基、C1-C4卤代烷基。
- 如权利要求1所述的化合物、其药学上可接受的盐、其对映异构体、非对映异构体、互变异构体、溶剂化物、多晶型物或前药,其特征在于,R10为取代或未取代的C1-C4烷氧基、取代或未取代的C1-C4烷基。
- 其中,Re1选自H、卤素、C1-C4烷氧基;且Re1为1-3个;Re2选自-NO2、-NH2、-N(CH3)2;Re3选自H、卤素、-NRsRt、取代或未取代的C1-C4烷基(较佳地为甲基);Rf为H、取代或未取代的C1-C4烷基;Rg为C1-C4烷氧基或-NRsRt取代的C1-C4烷基;Rh选自H、卤素;Ri选自H、未取代或取代的C1-C4烷基、取代或未取代的C1-C4烷基羰基、取代或未取代的C1-C4烷氧基羰基、取代或未取代的C1-C4烷基磺酰基、三氟甲基C1-C2烷基、二氟甲基C1-C2烷基、-NRsRt、其中Rh1选自-OH、-CN、C1-C4烷基;Rj’选自:H或卤素;且当Rj为卤素时,Rj’为卤素;Rk选自:H、-OH、C1-C4烷氧基、Rl选自:H、-NRsRt,较佳地为H或二甲胺基;Rm选自:H、-NRsRt,较佳地为H或二甲胺基;Rn选自:三氟甲基C1-C4烷基,较佳地为CF3CH2-。
- 如权利要求1所述的化合物、其药学上可接受的盐、其对映异构体、非对映异构体、互变异构体、溶剂化物、多晶型物或前药,R5或R6各自独立地选自:H、取代或未取代的C1-C4烷基、-CN、卤素、C1-C4烷基羰基、R51(C1-C4烷氧基)羰基、R52C(O)-、-COOH、-C(O)(NRaRb)、 R57(C1-C3)烷基炔基;Ra选自H、取代或未取代的C1-C4烷基;R55选自1-3个下组的取代基:H、R551C1-C4烷基、卤素、-CN、-NH2、(C1-C4烷基)NH-、(R551C1-C4烷基)O-、二甲胺基、-CH2(Me)2、R551(C1-C6)烷基OC(O)-、-COOH、-C(O)(NRaRb);其中R551为H、-OH、C1-C4烷氧基、氨基、二甲胺基、甲氨基、二乙胺基、甲乙氨基、乙胺基、 其中R541选自H、C1-C4烷基;
- 一种制备如权利要求1所述的式I化合物的方法,所述式I化合物结构如式I-1所示,包括步骤:(1)在还原剂存在下,化合物d发生还原反应生成化合物e,所述还原剂选自下组:硼氢化钠、硼氢化锂、硼氢化钾、或其组合;(2)在碱存在下,化合物e与相应的烃基化试剂反应生成化合物f,所述碱选自下组:氢化钠、叔丁醇钾、氢氧化钠、氢氧化钾、正丁基锂、二异丙基氨基锂、六甲基二硅基氨基锂、六甲基二硅基氨基钠、六甲基二硅基氨基钾、碳酸钾、碳酸铯、碳酸钠、或其组合;所述烃基化试剂选自下组:卤代烃、甲磺酸酯、对甲苯磺酸酯、三氟醋酸酯、三氟甲磺酸酯、或其组合;(3)化合物f水解生成化合物g;(4)化合物g与胺化合物发生缩合反应,生成化合物I-1,其中,R2、R3、R7、R8、R9、R10、T1、Re、Rf、X1、X2、X3和Y的定义如上所述,且Rk为C1-C4直链或支链烷基;和/或一种制备如权利要求1所述的式I化合物的方法,所述式I化合物结构如式I-2所示,包括步骤:(i)惰性溶剂中,还原剂存在下,化合物d与化合物f反应生成化合物i;(ii)化合物i水解反应,生成化合物j;(iii)化合物g与胺化合物发生缩合反应,生成化合物I-2;其中,R2、R3、R7、R8、R9、R10、Re、Rf、Rk、X1、X2、X3和Y的定义如上所述;和/或一种制备如权利要求1所述的式I化合物的方法,所述式I化合物结构如式I-3所示,包括步骤:(a)惰性溶剂中,还原剂存在下,化合物k发生还原反应,生成化合物l;(b)在烃基化试剂存在下,化合物l反应生成化合物m,所述烃基化试剂选自下组:X-R10’、HSO4-R10’、HO-R10’、R10’-O-R10’、或其组合;其中X为卤素;R10’为取代或未取代的C1-C6烷基、取代或未取代的C2-C6烯基、取代或未取代的C2-C6炔基、取代或未取代的饱和或不饱和4-8元杂环基、取代或未取代的饱和或不饱和4-8元碳环基、取代或未取代的5-8元芳基、饱和或不饱和;其中所述的杂环包含1-3个选自N、O、S、P的杂原子;并且所述的“取代”指具有选自如权利 要求1所述的B组的一个或多个(如1、2、3或4个)取代基;(c)化合物m水解,生成化合物n;(d)化合物n与胺化合物发生缩合反应,生成化合物I-3;其中,R2、R3、R7、R8、R9、R10、Re、Rf、Rk、X1、X2、X3和Y的定义如上所述。
- 一种药物组合物,其特征在于,所述药物组合物包括:(1)如权利要求1所述的式I化合物、其药学上可接受的盐、其对映异构体、非对映异构体、互变异构体、溶剂化物、多晶型物或前药;和(2)药学上可接受的载体。
- 一种如权利要求1所述的式I化合物、其药学上可接受的盐、其对映异构体、非对映异构体、互变异构体、溶剂化物、多晶型物或前药的用途,所述用途选自下组:(a)制备预防或治疗与EZH2突变、活性或表达量相关的疾病的药物;(b)体外非治疗性地抑制EZH2及其突变体的活性;和/或(c)体外非治疗性地抑制肿瘤细胞的增殖。
- 如权利要求9所述的用途,其特征在于,所述与EZH2突变、活性或表达量相关的疾病选自下组:肿瘤或自身免疫性疾病。
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EP3524602A1 (en) | 2019-08-14 |
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AU2017323112A1 (en) | 2019-03-28 |
MA46199A (fr) | 2019-07-17 |
MX2019002616A (es) | 2019-09-18 |
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CN109790160B (zh) | 2022-11-15 |
CA3036114A1 (en) | 2018-03-15 |
EA038701B1 (ru) | 2021-10-07 |
KR102351782B1 (ko) | 2022-01-17 |
ZA201901827B (en) | 2021-07-28 |
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