Abstract: The present invention relates to new substituted indolinones of general formula wherein X and R1 to R5 are defined as in claim 1, the isomers and the salts thereof which have valuable properties. The above compounds of general formula I wherein R1 denotes a hydrogen atom, a C1-3-alkyl group or a prodrug group have valuable pharmacological properties, particularly an inhibiting effect on various kinases, on viral cyclin and on receptor tyrosine kinases, and the other compounds of the above general formula I wherein R1 does not represent a hydrogen atom, a C1-3-alkyl group or a prodrug group are valuable intermediate products for the preparation of the abovementioned compounds.