Patent · US Expired

1,6-naphthyridone derivatives having angiotensin II antagonist activity

US5217976A · kind A · utility

9Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 1992
Grant dateJun 8, 1993
Priority date
Expiry dateMay 29, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention concerns pharmaceutically useful compounds of the formula I, in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, Ra, Rb, A, X and Z have the various meanings defined herein, and their non-toxic salts, and pharmaceutical compositions containing them. The novel compounds are of value in treating conditions such as hypertension and congestive heart failure. The invention further concerns processes for the manufacture of the novel compounds and the use of the compounds in medical treatment.

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