Pyrazole derivatives and processes for the preparation thereof
申请人:Novartis AG
公开号:US05981533A1
公开(公告)日:1999-11-09
4-Amino-1H-pyrazolo[3,4-d]pyrimidine derivatives of formula I ##STR1## wherein the symbols are as defined in claim 1, and intermediates for their manufacture are described. The compounds of formula I inhibit especially the tyrosine kinase activity of the receptor for epidermal growth factor and can be used, for example, in the case of epidermal hyperproliferation (psoriasis) and as anti-tumor agents.