Patent · US Expired

Substituted-4-oxo-1,6,7,8-tetrahydro-4H-pyrido[1,2-a]pyrimidines

US4321377A · kind A · utility

0Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 1979
Grant dateMar 23, 1982
Priority date
Expiry dateMay 2, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Nitrogen bridgehead compounds (pyrido-[1,2-a]-pyrimidine derivatives) which are useful intermediates in the making of known compounds of this class and which themselves possess PG-antagonist, analgesic, antiartheriosclerotic, tranquilizing and like pharmaceutical activity.

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