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
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Key dates
| Filing date | Mar 5, 1997 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Mar 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.