Patent · US Expired

Benzofuran derivatives

US5332831A · kind A · utility

3Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1992
Grant dateJul 26, 1994
Priority date
Expiry dateMay 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.