1-Substituted alkyl-2-oxo-1,2-dihydroquinoxaline derivatives
US4870171A · kind A · utility
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3Claims
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Key dates
| Filing date | Aug 22, 1988 |
| Grant date | Sep 26, 1989 |
| Priority date | — |
| Expiry date | Aug 22, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A compound of the formula ##STR1## wherein R.sup.1 is hydrogen or lower alkyl, R.sup.2 is hydrogen, lower alkoxy or halogen, and A is lower alkylene, or a pharmacologically acceptable salt thereof, has sympatholytic .alpha.-receptor blocking activity and is useful for the treatment of hypertension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.