Patent · US Expired

1-Phthalazone derivatives, and use thereof

US4293553A · kind A · utility

2Cited by
2References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 1979
Grant dateOct 6, 1981
Priority date
Expiry dateAug 7, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D237/32
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel 1-phthalazone derivatives of the following formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined in claim 1, and pharmaceutically acceptable acid addition salts thereof; a process for production thereof; a pharmaceutical composition containing said compound; and a method for treating a thrombotic disease using said compound.

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