| abstract |
Compounds of formula (I) wherein R1 and R1'are independently hydrogen, lower alkyl, lower alkenyl or lower alkynyl; R2 is hydrogen, nitro, cyano, halo, lower alkyl, lower alkenyl, lower alkynyl or lower alkoxy; and R 'is -heteroaryl, heterocyclyl, heteroaryl-substituted ethyl or heteroaryl- or heterocyclyl-substituted ethoxy; and pharmaceutically acceptable salts thereof, especially cancerous disorders, especially cancer. for the treatment of breast cancer, colon cancer or lung cancer. The present invention relates to the preparation of compounds and to pharmaceutical compositions containing them. SHE |