Benzofuran derivatives
US5332831A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 15, 1992 |
| Grant date | Jul 26, 1994 |
| Priority date | — |
| Expiry date | May 15, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/14
- 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 PA0 Ar represents the group ##STR2## wherein R.sup.3 represents an acidic group selected from --CO.sub.2 H, --NHSO.sub.2 CF.sub.3 or a C-linked tetrazolyl group; PA0 Het represents the group ##STR3## with all other undefined groups being defined in the specification. 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.