US Patent 8008320 3-(indolyl)-4-arylmaleimide derivatives and their use as angiogenesis inhibitors

The present invention relates to a compound of formula (I) wherein R1 is H, C1-C6-alkyl, phenyl-C1-C4-alkyl or phenyl, R2 is a phenyl group which is substituted with 2 or 3 C1-C6-alkoxy groups and R3 is indolyl or azaindolyl which may carry one or two substituents independently selected from C1-C6-alkyl, C1-C6-alkoxy, phenyl, OH, halogen, NH2, C1-C6-alkylamino, di-C1-C6-alkylamino, heteroaryl with 5 or 6 ring atoms containing 1 or 2 heteroatoms which are independently selected from O, N, and S and heterocyclyl with 5 or 6 ring atoms containing 1 or 2 heteroatoms which are independently selected from O, N, and S and the physiologically acceptable salts thereof as well as the physiologically acceptable solvates of the compounds of formula 1 and of the salts thereof. The compounds of formula (I) are suitable for controlling angiogenesis.