1,4-Dihydropyridine-3,5-dicarboxylic acid ester derivatives
US4423052A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1982 |
| Grant date | Dec 27, 1983 |
| Priority date | — |
| Expiry date | Jun 1, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
1,4-Dihydropyridine-3,5-dicarboxylic acid ester derivatives represented by the formula ##STR1## (wherein Ar.sup.1 and Ar.sup.2 are each the same or different and represent an aryl group; R.sup.1 represents a lower alkyl group; R.sup.2 and R.sup.3 are each the same or different and represent a lower alkyl or aralkyl group; n is 1 or 2; and R.sup.4 represents a lower alkyl) or the acid addition salts thereof. These compounds are useful as antihypertensive agents and as agents for treating the disturbances of cardiac or cerebral circulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.