Optically-active 1,4-dihydropyridine
December 4, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesAromatic dithio dianhydrides Sodium ଲ-[2,6-dimethyl-3,5-bis(ethoxycarbonyl)-4-(3-nitrophenyl)-1,4-dihyd ropyridine-1-yl]ethyl sulfate 1,4-Dihydropyridine carboxylic acid esters Aromatic disulfone dianhydrides 6-Acyloryalkyl-1,4-dihydropyridine derivatives and a method of effecting vasodilation therewith 2-Methoxy-benzamide derivatives Process for the preparation of diphenyl ethers Dihydropyridine compounds Certain N-substituted-4-aryl-3,5-pyridine dicarboxylates and their antihypertensive use 1,4-Dihydro-2,6-dimethyl-4-(2'-chlorophenyl)-3,5-dicarboxylic acid,methyl or ethyl,trifluoroethyl ester InventorsAssigneeApplicationNo. 031834 filed on 03/27/1987US Classes:514/318, The additional ring is a six-membered hetero ring consisting of one nitrogen and five carbon atoms546/194Carbocyclic ring containingExaminersPrimary: Fan, Jane T.Attorney, Agent or FirmForeign Patent References
International ClassesA61K 031/445C07D 211/14 Foreign Application Priority Data1984-09-28 CHAbstractThe invention relates to 3-methyl-5-[3-(4,4-diphenylpiperid-1-yl)-propyl] (+)-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-piperidine-3,5-dicarboxylat e and its salts and to their preparation and use.Other References
|
| ||||||||||||||
