The present invention relates to a compound of formula (VII)I, or a pharmaceutically acceptable salt or ester thereof, wherein: X is NR7; Y is O or N—(CH2)nR19; n is 1, 2 or 3; m is 1 or 2; R1 and R2 are each independently H, alkyl or cycloalkyl; R4 and R4′ each independently H alkyl; or R4 and R4′ together form a spiro cycloalkyl group; R19 is H, alkyl, aryl or a cycloalkyl group; R6 is OR8 or halogen; and R7 and R8 are each independently H or alkyl. Further aspects relate to pharmaceutical compositions comprising said compounds and use therefore in the treatment of proliferative disorders and the like.
本发明涉及化合物式(VII)I,或其药学上可接受的盐或酯,其中:X是NR7;Y是O或N-(
CH2)nR19;n为1、2或3;m为1或2;R1和R2分别独立地是氢、烷基或环烷基;R4和R4'分别独立地是氢、烷基;或者R4和R4'共同形成一个螺环烷基;R19是氢、烷基、芳基或环烷基;R6是OR8或卤素;R7和R8分别独立地是氢或烷基。另外,本发明还涉及包括所述化合物的制药组合物,并将其用于治疗增生性疾病等。