Patent · US Expired

4-aminopyrazolo(3-,4-D)pyrimidine and 4-aminopyrazolo-(3,4-D)pyridine tyrosine kinase inhibitors

US5593997A · kind A · utility

244Cited by
1References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 23, 1995
Grant dateJan 14, 1997
Priority date
Expiry dateMay 23, 2015

Classification

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

Abstract

Certain 4-aminopyrazolo[3,4-d]pyrimidine compounds, and their pharmaceutically-acceptable salts and prodrugs, are inhibitors of tyrosine kinase enzymes and are useful for immunoregulation and for the treatment of cancer, angiogenesis and atherosclerosis.

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