Patent · US Expired

Chromanone derivatives, a process for their preparation and compositions containing them

US4316899A · kind A · utility

3Cited by
4References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 17, 1980
Grant dateFeb 23, 1982
Priority date
Expiry dateMar 17, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/22
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds of the formula (II): ##STR1## and pharmaceutically acceptable acid-addition salts thereof wherein Ar is a pyrimidyl group having useful anti-hypertension activity, their preparation, and pharmaceutical compositions containing them.

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