Dihydropyridine anti-allergic and anti-inflammatory agents
US4801598A · kind A · utility
5Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1987 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Oct 30, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: ##STR1## where R is 2-substituted phenyl said substituent being chloro, bromo, cyano, methyl, methylthio, methylsulfonyl, trifluoromethyl, hydroxy, methoxy or benzyloxy; R.sup.1 is hydrogen, lower alkyl, pyridyl, thiazolyl, isoxazolyl, thiadiazdyl or thiazdylmethyl; R.sup.2 is hydrogen or lower alkyl; R.sup.3 is hydroxy, lower alkoxy, benzyloxy, amino, lower alkylamino or morpholino; Y is alkylene having two to six carbon atoms; and X is benzimidazolyl optionally substituted by lower alkyl, chloro or trifluoromethyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.