Kinazolinderivater, medikamenter inneholdende disse forbindelser, deres anvendelse og fremgangsmåte for fremstilling derav

摘要

The invention relates to quinazoline derivatives of general formula (I), wherein Ra, Rb and Rc have the meaning defined in claim 1, to their tautomers, their stereoisomers and their salts, especially their physiologically acceptable salts with inorganic or organic acids. Said compounds have valuable pharmacological properties, especially an inhibiting effect upon signal transduction caused by tyrosine kinase. The invention further relates to their utilization in the treatment of diseases, especially of tumoral diseases, diseases of the lung and the respiratory tract and to the production of said compounds.