Thieno [2,3-c] and [3,2-c] pyridines
US4104390A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1977 |
| Grant date | Aug 1, 1978 |
| Priority date | — |
| Expiry date | Jun 21, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to pyridine derivatives of the formulae: ##STR1## in which R.sup.1 is hydrogen, lower alkyl, aralkyl optionally substituted on the aromatic nucleus with at least a halogen atom or a hydroxy, nitro, amino, cyano, carboxy, alkoxycarbonyl, lower alkyl, lower alkoxy or trifluoromethyl group; R.sup.2 is hydrogen or lower alkyl; and R.sup.3 is hydrogen or at least a substituent selected from a halogen atom, a hydroxy, lower alkyl and lower alkoxy group, and their pharmaceutically acceptable inorganic or organic acid addition salts. Said compounds have particularly an anti-inflammatory and blood-platelet aggregation inhibiting activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.