Patent · US Expired

Trans-3,4-dihydro-2,2-dimethyl-6-nitro-4-(2-oxo-pyrrolidinyl)2H-1-ben zopyran-3-ol

US4647670A · kind A · utility

1Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 1984
Grant dateMar 3, 1987
Priority date—
Expiry dateDec 10, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/70
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds of formula (I): ##STR1## wherein the various substituents are defined hereinbelow, having anti-hypertensive activity.

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