Yura, 1962 - Google Patents

Studies on acetylenic compounds. XXVI. Ring closure.(6). New synthetic method of heterocyclic compounds from α-substituted acetylenic compounds

Yura, 1962

View PDF
Document ID
6380205478186474535
Author
Yura Y
Publication year
Publication venue
Chemical and Pharmaceutical Bulletin

External Links

Snippet

From this standpoint, α-thiocyanatoacetylenic compounds, prepared from α-halo-acetylenes and potassium rhodanate, were treated with sulfuric acid and the resulted products were investigated. 3-Bromo-l-propyne, when treated with an aqueous ethanol solution of …
Continue reading at www.jstage.jst.go.jp (PDF) (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
    • C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
    • C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C335/00—Thioureas, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C335/04—Derivatives of thiourea
    • C07C335/16—Derivatives of thiourea having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings

Similar Documents

Publication Publication Date Title
BR7408853D0 (en) PROCESS TO SEPARATE THE OXYGEN FROM A GASEOUS MIXTURE AND TO PREPARE A PRASEODIMIO AND CERIO OXIDE AND REACTION MASS
DE1593235A1 (en) Process for the dehydrogenation of organic compounds
Yura Studies on acetylenic compounds. XXVI. Ring closure.(6). New synthetic method of heterocyclic compounds from α-substituted acetylenic compounds
Calvin et al. The Freedom of Rotation about the Carbon—Carbon Double Bond. Certain Substituted Stilbenes
US3787478A (en) Novel n-haloalkylated anilines
Piskorz et al. Ultraviolet and infrared spectra of some nitramines
Naito et al. Studies on Isothiazoles. III. A Novel Ring Closure to Isothiazoles by the Reaction of α-Amino Ketones with Thionyl Chloride or Sulfur Monochloride
SMITH et al. The cyclization of N-alkenylthionamides to thiazolines and dihydrothiazines
SE7506286L (en) CATALYST JEMTE WAS TO PRODUCE THE SAME AS EVEN, TO TAKE COMBUSTION IN THE PRESENCE OF THE SAID CATALYST.
DE69123742T2 (en) PROCESS FOR THE PREPARATION OF 2-METHYL-3,5-DIALKYLPYRIDINES BY DEALKYLATION WITH SULFUR
US3072672A (en) Certain oxazolidininone-2 and pyrrolidinone-2 derivatives of aromatic sulfonamides and process
Fuchigami et al. PREPARATION AND REACTION OF N-BENZIMIDOYLSULFILIMINES
Hashimoto et al. Studies of Meso-ionic Compounds. XV. The Preparation of ψ-3, 5-Dihydro-3-methyl-5-keto-1-oxa-2, 3, 4-triazole
Takamizawa et al. Studies on the Pyrimidine Derivatives. XX. On the Studies of S-Alkoxycarbonylthiamine.(1)
US2718495A (en) Photochemical preparation of saturated nitrohydrocarbon sulfonyl chlorides
Garraway 796. The addition of N-alkyl-substituted dithiocarbamic and alkoxydithioformic acids to propiolic acid
SU664920A1 (en) Method of obtaining chemically active magnesium oxide
GB691269A (en) Improvements in or relating to the stabilisation of formaldehyde cyanhydrin
Mudaliar et al. Synthesis of N-(1-naphthyl) hydroxamic acids
PRICE et al. SOME REACTIONS OF 1, 2-bis (β-CHLOROETHYLTHIO) ETHANE1
SU422726A1 (en) METHOD OF OBTAINING ETHYLENE OXYAMINO KETONES
GB867268A (en) Process for preparing 3-nitro-azacyclo-alkanone-2-n-carbochlorides
GB1107245A (en) Process for the production of polyetherureas
US1414852A (en) Method of producing chemical compounds from acetylene and hydrohalogenic acids
US1374435A (en) Manufacture of zinc sulfid