Patent · US Expired

Phenoxycarboxylic acids

US4782176A · kind A · utility

2Cited by
0References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 23, 1983
Grant dateNov 1, 1988
Priority date
Expiry dateMay 23, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C59/90
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Phenoxycarboxylic acids of the formula ##STR1## wherein R, R.sub.1, R.sub.2, R.sub.3, R.sub.4 R.sub.5, Z and n are as hereinafter set forth, are as described. The compounds of formula I are antagonists of slow reacting substance of anaphylaxis (SRS-A), which renders them useful as agents for the treatment of allergic conditions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.