Pyridine derivatives, their production and use
US5716971A · kind A · utility
4Cited by
6References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1996 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | Aug 9, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/50
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Pyridine derivatives of the formula ##STR1## wherein the ring A stands for an optionally further substituted benzene ring; the ring B stands for an optionally substituted pyridine ring; Q stands for hydroxyl group, or OQ.sup.1 or Q.sup.1 wherein Q.sup.1 stands for an optionally substituted aliphatic hydrocarbon group; and n denotes 0 or 1, or their salts, which have potassium.channel opening activity and are useful as therapeutic agents of circulatory diseases such as angina pectoris, hypertension, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.