Certain nitratoalkyl ester dihydropyridines having antihypertensive properties
US4565824A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1983 |
| Grant date | Jan 21, 1986 |
| Priority date | — |
| Expiry date | Nov 9, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Dihydropyridines of the formula ##STR1## in which R is aryl or heterocyclic, PA1 R.sup.1, R.sup.2 and R.sup.3 each is hydrogen or various organic radicals, PA1 Y is oxygen, or optionally substituted --NH--, PA1 Z is --O--NO.sub.2 or --O--NO, PA1 X is --COR.sup.4, --COOR.sup.5 or --CO--Y--A--Z, PA1 R.sup.4 is alkyl, phenyl, benzyl or an amino radical, and PA1 R.sup.5 is an organic radical, or pharmaceutically acceptable acid addition salts thereof, exhibit circulation active properties, e.g. they can be used as antihypertensives, as peripheral and cerebral vasodilators and as coronary therapeutics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.