Benzofuran derivatives
US5317023A · kind A · utility
1Cited by
1References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1992 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | May 15, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D473/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides compounds of formula (I): ##STR1## or a physiologically acceptable salt, solvate or metabolically labile ester thereof wherein PA1 R.sup.1 represents a hydrogen atom or a halogen atom or a group selected from C.sub.1-6 alkyl, C.sub.2-6 alkenyl, fluoroC.sub.1-6 alkyl, C.sub.1-6 alkoxy, --CHO, --CO.sub.2 H or --COR.sup.2 ; PA1 Ar represents optionally substituted phenyl PA1 Het represents the group ##STR2## A represents ##STR3## The compounds may be used in the treatment or prophylaxis of hypertension and diseases associated with cognitive disorders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.