WO2020015669A1 - 抗流感病毒三并环衍生物 - Google Patents
抗流感病毒三并环衍生物 Download PDFInfo
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- WO2020015669A1 WO2020015669A1 PCT/CN2019/096323 CN2019096323W WO2020015669A1 WO 2020015669 A1 WO2020015669 A1 WO 2020015669A1 CN 2019096323 W CN2019096323 W CN 2019096323W WO 2020015669 A1 WO2020015669 A1 WO 2020015669A1
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- pharmaceutically acceptable
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- JURLDHURJAOJAK-ODLFYWEKSA-N CC(C)(C(C(OC=CC1=O)=C1OCc1ccccc1)O)/C=N\N Chemical compound CC(C)(C(C(OC=CC1=O)=C1OCc1ccccc1)O)/C=N\N JURLDHURJAOJAK-ODLFYWEKSA-N 0.000 description 1
- BJTAIRCDOINERL-UHFFFAOYSA-N CC(C)(C(C(OC=CC1=O)=C1OCc1ccccc1)O)C=O Chemical compound CC(C)(C(C(OC=CC1=O)=C1OCc1ccccc1)O)C=O BJTAIRCDOINERL-UHFFFAOYSA-N 0.000 description 1
- FUOKWWIFOCBJMM-UCQKPKSFSA-N CC(C)(C)OC(N/N=C\C(C)(C)C(C(OC=CC1=O)=C1OCc1ccccc1)O)=O Chemical compound CC(C)(C)OC(N/N=C\C(C)(C)C(C(OC=CC1=O)=C1OCc1ccccc1)O)=O FUOKWWIFOCBJMM-UCQKPKSFSA-N 0.000 description 1
- NIQSWKRMKPLOII-UHFFFAOYSA-N CC(C)(C1O)C=NN(C=CC2=O)C1=C2OCc1ccccc1 Chemical compound CC(C)(C1O)C=NN(C=CC2=O)C1=C2OCc1ccccc1 NIQSWKRMKPLOII-UHFFFAOYSA-N 0.000 description 1
- NVFNDVMYBXENPY-UHFFFAOYSA-N CC(C)(CN(C1c(cccc2)c2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1OCc1ccccc1)C2=O Chemical compound CC(C)(CN(C1c(cccc2)c2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1OCc1ccccc1)C2=O NVFNDVMYBXENPY-UHFFFAOYSA-N 0.000 description 1
- PPFISJVATKBGEK-UHFFFAOYSA-N CC(C)(CN(C1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1OCc1ccccc1)C2O Chemical compound CC(C)(CN(C1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1OCc1ccccc1)C2O PPFISJVATKBGEK-UHFFFAOYSA-N 0.000 description 1
- NFXZODJGNOAVLG-FQEVSTJZSA-N CC(C)(CN([C@@H]1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1O)C2=O Chemical compound CC(C)(CN([C@@H]1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1O)C2=O NFXZODJGNOAVLG-FQEVSTJZSA-N 0.000 description 1
- NVFNDVMYBXENPY-MHZLTWQESA-N CC(C)(CN([C@@H]1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1OCc1ccccc1)C2=O Chemical compound CC(C)(CN([C@@H]1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1OCc1ccccc1)C2=O NVFNDVMYBXENPY-MHZLTWQESA-N 0.000 description 1
- NFXZODJGNOAVLG-HXUWFJFHSA-N CC(C)(CN([C@H]1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1O)C2=O Chemical compound CC(C)(CN([C@H]1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1=O)C2=C1O)C2=O NFXZODJGNOAVLG-HXUWFJFHSA-N 0.000 description 1
- ISRJNNZRSAMHGH-LFHRXCRSSA-N CC(C)(CN([C@H]1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1O)C2=C1OCc1ccccc1)C2=O Chemical compound CC(C)(CN([C@H]1c2ccccc2SCc2c1ccc(F)c2F)N(C=CC1O)C2=C1OCc1ccccc1)C2=O ISRJNNZRSAMHGH-LFHRXCRSSA-N 0.000 description 1
- KIOFJUDHPHFGTF-UHFFFAOYSA-N CC(C)(CNN(C=CC1=O)C2=C1OCc1ccccc1)C2O Chemical compound CC(C)(CNN(C=CC1=O)C2=C1OCc1ccccc1)C2O KIOFJUDHPHFGTF-UHFFFAOYSA-N 0.000 description 1
- NIJYQUJGFQWZHL-HSZRJFAPSA-N CN(CC1(CCC1)C(C(NC=CC1=O)=C1O)=O)[C@H]1c2ccccc2SCc2c1ccc(F)c2F Chemical compound CN(CC1(CCC1)C(C(NC=CC1=O)=C1O)=O)[C@H]1c2ccccc2SCc2c1ccc(F)c2F NIJYQUJGFQWZHL-HSZRJFAPSA-N 0.000 description 1
- 0 COC(C=C1)C(O)=C(C(C(*)(*)C2)=*)N1N2C1c2ccccc2SCc2c1ccc(*)c2* Chemical compound COC(C=C1)C(O)=C(C(C(*)(*)C2)=*)N1N2C1c2ccccc2SCc2c1ccc(*)c2* 0.000 description 1
- JBIHUDRUDVZFPT-UHFFFAOYSA-N O=CC(OC=CC1=O)=C1OCc1ccccc1 Chemical compound O=CC(OC=CC1=O)=C1OCc1ccccc1 JBIHUDRUDVZFPT-UHFFFAOYSA-N 0.000 description 1
- ABVHRRWESSBPND-UHFFFAOYSA-N OC(C(C=C1c(c2c3CSc4ccccc4C2)cc(F)c3F)=O)=C2N1NCC1(CCC1)C2=O Chemical compound OC(C(C=C1c(c2c3CSc4ccccc4C2)cc(F)c3F)=O)=C2N1NCC1(CCC1)C2=O ABVHRRWESSBPND-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- A61K31/50—Pyridazines; Hydrogenated pyridazines
- A61K31/5025—Pyridazines; Hydrogenated pyridazines ortho- or peri-condensed with heterocyclic ring systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/16—Antivirals for RNA viruses for influenza or rhinoviruses
-
- 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
Definitions
- Influenza virus or influenza virus (IFV) is a segmented single-stranded antisense RNA virus that can cause influenza in humans and animals. Influenza viruses can cause very high morbidity and mortality. In particular, influenza A viruses can also cause global pandemics, such as the "Spanish flu” (H1N1 subtype) from 1918 to 1920, and the “Asian flu from 1957 to 1958.” “(H2N2 subtype),” Asian influenza “(H3N2 subtype) from 1968 to 1969,” Hong Kong flu “(H1N1 subtype) from 1977 to 1978, and the first H1N1 influenza outbreak in Mexico in March 2009. The pandemic caused thousands of deaths, caused great social panic and increased social instability.
- Influenza A virus is a single-negative-stranded RNA virus with eight gene segments encoding eight proteins.
- the 5 ' and 3 ' ends of the influenza virus genome fragment are highly conserved, and the sequences of the two ends are complementary to form a stem-loop structure, which plays an important role in initiating viral RNA replication.
- the proteins encoded by the various gene fragments of the virus are different in size and play different roles in the life cycle of the influenza virus. First, the basic functions of several major proteins are described below.
- influenza virus proteins also utilizes the translation mechanism of host cells, and even viruses can suspend the translation of host proteins and accelerate the synthesis of their own proteins.
- the polyadenylation of host cell mRNA is accomplished by specific adenylate enzymes. The difference is that the adenylate tail of viral mRNA is formed by the continuous transcription of 5-7 uracils on the negative-stranded vRNA. of.
- the capping of each messenger RNA (mRNA) of the virus is done in a similar way: PA and PB2 proteins take 5 'capped primers from the host's pre-mRNA transcript and then start viral mRNA synthesis, a process called "cap snatching.
- Influenza has direct costs due to lost productivity and related medical resources, as well as indirect costs of preventive measures.
- the cumulative flu causes approximately $ 10 billion in losses each year, and it is estimated that future influenza pandemics can cause hundreds of billions of dollars in direct and indirect costs.
- the cost of prevention is also very high, and governments around the world have spent billions of dollars preparing and planning for a possible H5N1 bird flu pandemic.
- the costs are related to the purchase of drugs and vaccines, as well as the development of disaster drills and strategies to improve border control.
- R 1 is selected from O and N (R 4 );
- R 2 is selected from H, F, Cl, Br, I, OH and NH 2 ;
- R 3 is selected from H, F, Cl, Br, I, OH, and NH 2 ;
- R 4 is selected from H, OH and C 1-3 alkoxy, said C 1-3 alkoxy is optionally substituted by 1, 2 or 3 R;
- R 5 is selected from H and C 1-6 alkyl, said C 1-6 alkyl optionally substituted by 1, 2 or 3 R a ;
- R is independently selected from F, Cl, Br, OH, and NH 2 ;
- R a is independently selected from F, Cl, Br, I, OH, NH 2 and CN;
- Carbon atoms with "*" are chiral carbon atoms and exist in the form of a single enantiomer (R) or (S) or are rich in one enantiomer.
- the present invention provides a compound represented by formula (II), a pharmaceutically acceptable salt thereof, and an optical isomer thereof,
- R 2 is selected from H, F, Cl, Br, I, OH and NH 2 ;
- R 3 is selected from H, F, Cl, Br, I, OH, and NH 2 ;
- R 5 is selected from H
- R 6 is selected from H
- R is selected from F, Cl, Br, OH, and NH 2 ;
- the present invention provides a compound represented by formula (I), a pharmaceutically acceptable salt thereof, and an optical isomer thereof,
- R 2 is selected from H, F, Cl, Br, I, OH and NH 2 ;
- R 3 is selected from H, F, Cl, Br, I, OH, and NH 2 ;
- R 4 is selected from H, OH and C 1-3 alkoxy, said C 1-3 alkoxy is optionally substituted by 1, 2 or 3 R;
- R is selected from F, Cl, Br, OH, and NH 2 .
- R 4 is selected from H, OH, and Said It is optionally substituted by 1, 2 or 3 R, other variables are as defined in the present invention.
- R 4 is selected from H, OH, and Other variables are as defined in the present invention.
- R 1 is selected from O, N (OH), and N (OCH 3 ), and other variables are as defined in the present invention.
- R 5 is selected from H and C 1-3 alkyl, said C 1-3 alkyl optionally substituted with 1, 2 or 3 R a, the other variables are as defined in the present invention.
- R 5 is selected from H and CH 3 , and other variables are as defined in the present invention.
- R 6 is selected from H and C 1-3 alkyl, said C 1-3 alkyl optionally substituted with 1, 2 or 3 R a, the other variables are as defined in the present invention.
- R 6 is selected from H and CH 3 , and other variables are as defined in the present invention.
- the compound described above, a pharmaceutically acceptable salt thereof, and an optical isomer thereof are selected from the group consisting of
- R 1 , R 2 , R 3 , R 5 and R 6 are as defined in any one of claims 1 to 5;
- the present invention provides a compound of the following formula, a pharmaceutically acceptable salt thereof, and an optical isomer thereof,
- the above compound, a pharmaceutically acceptable salt thereof, and an optical isomer thereof are selected from the group consisting of
- the present invention also provides a pharmaceutical composition
- a pharmaceutical composition comprising a therapeutically effective amount of the above-mentioned compound, a pharmaceutically acceptable salt thereof, an optical isomer thereof, and a pharmaceutically acceptable carrier.
- the present invention also provides the use of the above compound, a pharmaceutically acceptable salt thereof, an optical isomer thereof, or the above composition in the preparation of a medicament for treating a disease associated with influenza virus.
- pharmaceutically acceptable refers to those compounds, materials, compositions, and / or dosage forms that are within the scope of sound medical judgment and are suitable for use in contact with human and animal tissues Without excessive toxicity, irritation, allergic reactions or other problems or complications, commensurate with a reasonable benefit / risk ratio.
- pharmaceutically acceptable salt refers to a salt of a compound of the present invention, prepared from a compound having a specific substituent and a relatively non-toxic acid or base found in the present invention.
- base addition salts can be obtained by contacting a sufficient amount of a base with a neutral form of such compounds in a pure solution or a suitable inert solvent.
- Pharmaceutically acceptable base addition salts include sodium, potassium, calcium, ammonium, organic amine or magnesium salts or similar salts.
- acid addition salts can be obtained by contacting the neutral form of such compounds with a sufficient amount of acid in a pure solution or a suitable inert solvent.
- Examples of pharmaceutically acceptable acid addition salts include inorganic acid salts including, for example, hydrochloric acid, hydrobromic acid, nitric acid, carbonic acid, bicarbonate, phosphoric acid, monohydrogen phosphate, dihydrogen phosphate, sulfuric acid, Hydrogen sulfate, hydroiodic acid, phosphorous acid, etc .; and organic acid salts, such as acetic acid, propionic acid, isobutyric acid, maleic acid, malonic acid, benzoic acid, succinic acid, suberic acid, Similar acids such as fumaric acid, lactic acid, mandelic acid, phthalic acid, benzenesulfonic acid, p-toluenesulfonic acid, citric acid, tartaric acid, and methanesulfonic acid; also include salts of amino acids (such as arginine, etc.) , And salts of organic acids such as glucuronic acid. Certain specific compounds of the present invention contain basic and acidic functional groups
- the pharmaceutically acceptable salts of the present invention can be synthesized from the parent compound containing an acid group or a base by a conventional chemical method. Generally, such salts are prepared by reacting these compounds in the form of a free acid or base with a stoichiometric appropriate base or acid in water or an organic solvent or a mixture of the two.
- the compounds of the invention may exist in specific geometric or stereoisomeric forms. This invention contemplates all such compounds, including the (R)-and (S) -enantiomers and mixtures and other mixtures thereof, for example, the mixtures of (R)-and (S) -enantiomers, all of these mixtures All fall within the scope of the present invention. Additional asymmetric carbon atoms may be present in substituents such as alkyl. All these isomers and their mixtures are included in the scope of the present invention.
- optical isomers refers to stereoisomers in a mirror image relationship to each other.
- wedge solid line key And wedge dashed keys Represents the absolute configuration of a solid center, using straight solid line keys And straight dashed keys Represents the relative configuration of the solid center, with wavy lines Represents a wedge solid line key Or wedge-shaped dotted key Or with wavy lines Represents a straight solid line key And straight dashed keys
- the following formula (A) indicates that the compound exists as a single isomer of formula (A-1) or formula (A-2) or as two isomers of formula (A-1) and formula (A-2) Exists in the form of a mixture;
- the following formula (B) represents that the compound exists as a single isomer of the formula (B-1) or (B-2) or in the form of both (B-1) and (B-2) The isomers exist as a mixture.
- the following formula (C) represents that the compound exists as a single isomer of the formula (C-1) or (C-2) or in the form of the two isomers of the formula (C-1) and the formula (C-2) It exists as a mixture.
- the terms “rich in one isomer”, “enriched in isomers”, “enriched in one enantiomer” or “enantiomerically enriched” refer to one of the isomers or the The enantiomeric content is less than 100%, and the content of the isomer or enantiomer is 60% or more, or 70% or more, or 80% or more, or 90% or more, or 95% or more, or 96% or more, or 97% or more, or 98% or more, or 99% or more, or 99.5% or more, or 99.6% or more, or 99.7% or more, or 99.8% or more, or more 99.9%.
- Optically active (R)-and (S) -isomers and D and L isomers can be prepared by chiral synthesis or chiral reagents or other conventional techniques. If an enantiomer of a compound of the present invention is desired, it can be prepared by asymmetric synthesis or derivatization with a chiral auxiliary, in which the resulting diastereomeric mixture is separated and the auxiliary group is cleaved to provide pure The desired enantiomer.
- a diastereomeric salt is formed with a suitable optically active acid or base, and then a conventional method known in the art Diastereomeric resolution is performed and the pure enantiomer is recovered.
- the separation of enantiomers and diastereoisomers is usually accomplished by using chromatography that employs a chiral stationary phase and optionally is combined with chemical derivatization (such as the generation of amino groups from amines) Formate).
- the compounds of the invention may contain atomic isotopes in unnatural proportions on one or more of the atoms constituting the compound.
- compounds such as tritium ( 3 H), iodine-125 ( 125 I) or C-14 ( 14 C) can be labeled with radioisotopes.
- deuterated drugs can be replaced by heavy hydrogen. The bond between deuterium and carbon is stronger than the bond between ordinary hydrogen and carbon. Compared with non-deuterated drugs, deuterated drugs have reduced side effects and increased drug stability. , Enhance efficacy, extend the biological half-life of drugs and other advantages. Transformations of all isotopic compositions of the compounds of the invention, whether radioactive or not, are included within the scope of the invention.
- “Optional” or “optionally” refers to events or conditions described later that may, but need not, occur, and that the description includes situations in which the events or conditions occur and situations in which the events or conditions do not occur.
- substituted refers to the replacement of any one or more hydrogen atoms on a specific atom with a substituent, and can include deuterium and hydrogen variants, as long as the valence of the specific atom is normal and the substituted compound is stable of.
- O oxygen
- Oxygen substitution does not occur on aromatic groups.
- optionally substituted means that it may or may not be substituted, and unless otherwise specified, the kind and number of substituents may be arbitrary on the basis of chemically achievable.
- any variable such as R
- its definition in each case is independent.
- the group may be optionally substituted with at most two R, and R in each case has independent options.
- combinations of substituents and / or variants are only permitted if such combinations result in stable compounds.
- C 1-6 alkyl is used to indicate a straight or branched chain saturated hydrocarbon group consisting of 1 to 6 carbon atoms.
- the C 1-6 alkyl includes C 1-5 , C 1-4 , C 1-3 , C 1-2 , C 2-6 , C 2-4 , C 6 and C 5 alkyl, etc .; it may Is monovalent (such as methyl), divalent (such as methylene) or polyvalent (such as methine).
- C 1-6 alkyl examples include, but are not limited to, methyl (Me), ethyl (Et), propyl (including n-propyl and isopropyl), butyl (including n-butyl, isobutyl , S-butyl and t-butyl), pentyl (including n-pentyl, isopentyl and neopentyl), hexyl and the like.
- C 1-3 alkyl is used to indicate a straight or branched chain saturated hydrocarbon group consisting of 1 to 3 carbon atoms.
- the C 1-3 alkyl group includes C 1-2 and C 2-3 alkyl groups, and the like; it may be monovalent (such as methyl), divalent (such as methylene), or polyvalent (such as methine).
- Example C 1- 3 alkyl groups include, but are not limited to, methyl (Me), ethyl (Et), propyl (including n- propyl and isopropyl) and the like.
- C 1-3 alkoxy refers to those alkyl groups containing 1 to 3 carbon atoms that are attached to the rest of the molecule through one oxygen atom.
- the C 1-3 alkoxy group includes C 1-2 , C 2-3 , C 3 and C 2 alkoxy, and the like.
- Examples of C 1-3 alkoxy include, but are not limited to, methoxy, ethoxy, propoxy (including n-propoxy and isopropoxy), and the like.
- C 3-6 cycloalkyl means a saturated cyclic hydrocarbon group consisting of 3 to 6 carbon atoms, which is a monocyclic and bicyclic system.
- the C 3-6 cycloalkyl includes C 3-5 , C 4-5 and C 5-6 cycloalkyl and the like; it may be monovalent, divalent or polyvalent.
- Examples of C 3-6 cycloalkyl include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, and the like.
- C 3-5 cycloalkyl means a saturated cyclic hydrocarbon group consisting of 3 to 5 carbon atoms, which is a monocyclic system, and the C 3-5 cycloalkyl includes C 3 -4 and C 4-5 cycloalkyl and the like; it may be monovalent, divalent or polyvalent.
- Examples of C 3-5 cycloalkyl include, but are not limited to, cyclopropyl, cyclobutyl, cyclopentyl, and the like.
- the compounds of the present invention can be prepared by a variety of synthetic methods well known to those skilled in the art, including the specific embodiments listed below, the embodiments formed by combining them with other chemical synthesis methods, and those familiar to those skilled in the art. Equivalent alternatives, preferred embodiments include, but are not limited to, the embodiments of the present invention.
- the solvent used in the present invention is commercially available.
- the present invention uses the following abbreviations: CAN stands for; TFA stands for trifluoroacetic acid; M stands for mol / L; aq stands for water; HATU stands for O- (7-azabenzotriazol-1-yl) -N, N , N ', N'-tetramethylurea hexafluorophosphate; EDC stands for N- (3-dimethylaminopropyl) -N'-ethylcarbodiimide hydrochloride; m-CPBA stands for 3- Chloroperoxybenzoic acid; eq stands for equivalent, equivalent; CDI stands for carbonyldiimidazole; DCM stands for dichloromethane; PE stands for petroleum ether; DIAD stands for diisopropyl azodicarboxylate; DMF stands for N, N-dimethyl DMSO stands for dimethyl sulfoxide; EtOAc stands for ethy
- the silica gel column purification, the silica gel column chromatography, the preparative high-performance liquid phase, and the supercritical fluid chromatography column used in the present invention all have a volume ratio.
- Reference example 1 Clips BB-1 and BB-2
- Step 1 Synthesis of the compound BB-1-2
- BB-1-1 (10 g, 58.10 mmol) was dissolved in methanol (100 mL), sulfoxide (13.82 g, 116.19 mmol) was added, and the reaction solution was stirred at 80 ° C for 3 hours. The reaction solution was concentrated to dryness to obtain crude BB-1-2, which was directly used in the next reaction.
- Step 2 Synthesis of the compound BB-1-3
- Step 3 Synthesis of the compound BB-1-4
- Step 4 The synthesis of compound BB-1-5
- Compound 1-8 was detected by supercritical fluid chromatography (column model: Chiralpak AD-3 50 ⁇ 4.6mm ID, 3 ⁇ m; mobile phase: [A: carbon dioxide, B: 0.05% diethylamine ethanol solution, gradient: B%: 40%]; flow rate: 3mL / min; column temperature: 40 ° C; wavelength: 220nm) was analyzed as a racemic compound, and 1-8A (retention time 0.914min) and 1-8B retention time (1.085min) were separated.
- Compound 6-8 was detected by supercritical fluid chromatography (column model: ChiralPak AD-3 150 ⁇ 4.6mm ID, 3 ⁇ m; mobile phase: [A: carbon dioxide, B: 0.05% diethylamine ethanol solution, gradient: B%: 40%]; flow rate: 2.5mL / min; column temperature: 40 ° C; wavelength: 220nm) was analyzed as a racemic compound, and the chiral isomers 6-8A (retention time 3.784min) and 6-8B (retention Time 6.267min).
- Step 8 Synthesis of compounds 7-8A and 7-8B
- Compound 7-8 was detected by a supercritical fluid chromatography column (column model: DAICELCHIRALPAKAD (250mm * 30mm, 10 ⁇ m); mobile phase: [A: carbon dioxide, B: 0.1% ammonia water ethanol solution, gradient: B%: 55%] )
- DAICELCHIRALPAKAD 250mm * 30mm, 10 ⁇ m
- mobile phase [A: carbon dioxide, B: 0.1% ammonia water ethanol solution, gradient: B%: 55%]
- the chiral isomers 7-8A retention time 0.644min
- 7-8B retention time 0.991min
- Compound 8-8 was detected by supercritical fluid chromatography (column model: DAICELCHIRALCELOD-H (250mm * 30mm, 5 ⁇ m); mobile phase: [A: carbon dioxide, B: 0.1% ammonia water ethanol solution, gradient: B%: 40 %]) was analyzed as a racemic compound, and the chiral isomers 8-8A (retention time 1.490min) and 8-8B (retention time 1.758min) were isolated.
- EC 50 values of the compounds was evaluated antiviral activity against influenza virus (Influenza virus, IFV) measured by the EC50 compound. Cytopathic experiments are widely used to determine the protective effect of compounds on virus-infected cells to reflect the antiviral activity of compounds. Influenza virus CPE experiment
- MDCK cells were seeded into a black 384-well cell culture plate at a density of 2,000 cells per well, and then cultured overnight at 37 ° C in a 5% CO 2 incubator.
- Compounds were diluted by the Echo555 non-contact nano-upgrade sonic pipette system and added to the cell wells (3-fold dilution, 8 test concentration points).
- the influenza virus A / Weiss / 43 (H1N1) strain was then added to the cell culture wells at a concentration of 1-2 90% tissue culture infectious dose (TCID90) per well, and the final DMSO concentration in the medium was 0.5%.
- the antiviral activity and cytotoxicity of a compound are represented by the inhibitory rate (%) of the compound on the viral effect of the cell. Calculated as follows:
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Abstract
Description
化合物 | EC 50(μm) | 化合物 | EC 50(μm) |
1 | 0.018 | 2 | 1.01 |
3 | 0.77 | 1A | 0.157 |
1B | 0.009 | 4A | 2.483 |
4B | 0.002 | 5A | 1.37 |
5B | 0.004 | 6A | >10 |
6B | 0.007 | 7A | >1 |
7B | 0.029 | 8A | >1 |
8B | 0.005 |
Claims (14)
- 式(II)所示化合物、其药学上可接受的盐及其光学异构体,其中,R 1选自O和N(R 4);R 2选自H、F、Cl、Br、I、OH和NH 2;R 3选自H、F、Cl、Br、I、OH和NH 2;R 4选自H、OH和C 1-3烷氧基,所述C 1-3烷氧基任选被1、2或3个R取代;R 5选自H和C 1-6烷基,所述C 1-6烷基任选被1、2或3个R a取代;R 6选自H和C 1-6烷基,所述C 1-6烷基任选被1、2或3个R a取代;或者R 5、R 6连接在一起与其相连的碳原子一起形成C 3-6环烷基;R分别独立地选自F、Cl、Br、OH和NH 2;R a分别独立地选自F、Cl、Br、I、OH、NH 2和CN;带“*”碳原子为手性碳原子,以(R)或(S)单一对映体形式或富含一种对映体形式存在。
- 根据权利要求1~3任意一项所述化合物、其药学上可接受的盐及其光学异构体,其中R 1选自O、N(OH)和N(OCH 3)。
- 根据权利要求1~3任意一项所述化合物、其药学上可接受的盐及其光学异构体,其中,R 5选自H和C 1-3烷基,所述C 1-3烷基任选被1、2或3个R a取代。
- 根据权利要求5所述化合物、其药学上可接受的盐及其光学异构体,其中,R 5选自H和CH 3。
- 根据权利要求1~3任意一项所述化合物、其药学上可接受的盐及其光学异构体,其中,R 6选自H和C 1-3烷基,所述C 1-3烷基任选被1、2或3个R a取代。
- 根据权利要求7所述化合物、其药学上可接受的盐及其光学异构体,其中,R 6选自H和CH 3。
- 一种药物组合物,包含治疗有效量的根据权利要求1~12任意一项所述的化合物、其药学上可接受的盐及其光学异构体以及药学上可接受的载体。
- 根据权利要求1~12任意一项所述的化合物、其药学上可接受的盐及其光学异构体或者权利要求13所述的组合物在制备治疗与流感病毒相关疾病的药物中的应用。
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