Patent · US Expired

Pyrimido5,4!-dipyrimidines, pharmaceuticals containing them, their use and processes for the preparation thereof

US5821240A · kind A · utility

11Cited by
1References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 1997
Grant dateOct 13, 1998
Priority date
Expiry dateMar 5, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Pyrimido5,4-d!pyrimidines of the general formula ##STR1## which have an inhibitory effect on signal transduction mediated by tyrosine kinases, their use for the treatment of disorders, in particular of oncoses, and their preparation. Exemplary compounds are: PA1 4-(3-Chloro-4-fluorophenyl)amino!-6-1-methyl-4-piperidinylamino!pyrimido 5,4-d!pyrimidine, and PA1 4-(3-Chloro-4-fluorophenyl)amino!-6-trans-4-dimethyl-aminocycohexylamino! pyrimido5,4-d!pyrimidine.

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