Phenyl and benzoyl substituted imidazo-fused heterocyclic calcium channel blockers
US4880824A · kind A · utility
18Cited by
3References
19Claims
0Family size
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Key dates
| Filing date | Sep 21, 1987 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Sep 21, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D513/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Heterocyclic compounds of formulae (I) and (II): ##STR1## where R.sup.1 and R.sup.2 are alkyl, R.sup.3 is H or alkyl, m is 2-5 and Het is a hetercycle such as thiazole, benzothiazole, substituted benzothiazole, pyrazine, triazine, thiadiazole, substituted thiadiazole, pyrimidine or substituted pyrimidine. The compounds are calcium channel blockers useful in the treatment of cardiovascular conditions such as hypertension or angina.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.