Patent · US Expired

Ortho substituted aromatic compounds useful as antagonists of the pain enhancing effects of E-type prostaglandins

US5811459A · kind A · utility

22Cited by
15References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 1996
Grant dateSep 22, 1998
Priority date
Expiry dateJun 4, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2602/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to compounds of the formula (I): ##STR1## wherein A, B and D are various ring systems such as phenyl, R.sup.1 includes carboxy, R.sup.3 is hydrogen or C.sub.1-4 alkyl and Z is a linking group such as --(CH(R.sup.5)).sub.m -- wherein m is 2, 3 or 4, and R.sub.5 includes hydrogen and methyl; and pharmaceutically acceptable salts and in vivo hydrolysable esters or amides thereof, processes for preparing these compounds, pharmaceutical compositions comprising them, and their use in the treatment of pain.

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