2-substituted -1,4-dihydropyridines and pharmaceutical compositions containing them
US4845113A · kind A · utility
4Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1986 |
| Grant date | Jul 4, 1989 |
| Priority date | — |
| Expiry date | Jul 25, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of formula I ##STR1## wherein R is hydrogen or lower alkyl; R.sub.1 is acetyl, benzoyl, cyano, nitro, carboxy, alkoxycarbonyl or aminocarbonyl groups; R.sub.2 is an optionally substituted aryl or hetaryl residue; R.sub.3 is a carboxy or alkoxycarbonyl group; A is a cyclopropyl group or a group of formula --CH.dbd.CH-- and R.sub.4 is a phenyl or heteroaryl group, optionally mono, di or tri-substituted, are useful in radical scavenging therapy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.