| abstract |
The present invention relates to bicyclic heterocycles of the general formula in the R a to R c , A to E and X are as defined in claim 1, their tautomers, their stereoisomers and their salts, in particular their physiologically acceptable salts with inorganic or organic acids or bases, which have valuable pharmacological properties, in particular an inhibitory effect the signal transduction mediated by tyrosine kinases, their use for the treatment of diseases, in particular tumors, diseases of the lungs and the respiratory tract and their production. |