1,4-dihydropyridines, N-substituted bicyclic 4-hydropyridines, and bicyclic N-substituted 4,5-dihydropyridines
US5723618A · kind A · utility
3Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 1996 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | Oct 10, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a novel process to prepare 1,4-dihydropyridines and in particular amlopidine and in novel intermediates obtained during the synthesis of the 1,4-dihydropyridines which have potential activity as antihypertensive agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.