申请人:BANYU PHARMACEUTICAL CO., LTD.
公开号:EP0805154A1
公开(公告)日:1997-11-05
The present invention relates to a compound of the formula (I):
wherein Ar1, Ar2, Ar3 and Ar4 represent an aryl group or a heteroaromatic ring group; A represents a hydrocarbon group which may be substituted; X and Y represent an oxygen atom, a sulfur atom, a carbonyl group or a group of the formula -CHRa- (wherein Ra is a hydrogen atom or a lower alkyl group) or -NRb- (wherein Rb is a hydrogen atom or a lower alkyl group), or X and Y together represent a vinylene group or an ethynylene group; R1, R2, R3, R8 and R9 represent a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a lower alkoxy group; R4 and R5 represent a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a nitro group, a cyano group, a carboxyl group, a lower alkoxycarbonyl group, a carbamoyl group, a lower alkylcarbamoyl group, a lower alkyl group, a lower hydroxyalkyl group, a lower fluoroalkyl group or a lower alkoxy group; R6 is a lower alkyl group; and R7 is a hydrogen atom or a lower alkyl group, provided that when one of X and Y is an oxygen atom, a sulfur atom or a group of the formula -NRb-, the other is a carbonyl group or a group of the formula -CHRa-, its pharmaceutically acceptable salt or ester, and an antitumor agent containing it as an active ingredient.
本发明涉及一种式(I)化合物:
其中 Ar1、Ar2、Ar3 和 Ar4 代表芳基或杂芳环基团;A 代表可被取代的烃基;X和Y代表氧原子、硫原子、羰基或式-CHRa-(其中Ra为氢原子或低级烷基)或-NRb-(其中Rb为氢原子或低级烷基)的基团,或X和Y共同代表乙烯基或乙炔基; R1、R2、R3、R8和R9代表氢原子、卤素原子、羟基、低级烷基或低级烷氧基;R4 和 R5 代表氢原子、卤素原子、羟基、氨基、硝基、氰基、羧基、低级烷氧基羰基、氨基甲酰基、低级烷基氨基甲酰基、低级烷基、低级羟烷基、低级氟烷基或低级烷氧基; R6 是低级烷基;和 R7 是氢原子或低级烷基,条件是当 X 和 Y 中的一个是氧原子、硫原子或式 -NRb- 的基团时,另一个是羰基或式 -CHRa- 的基团、其药学上可接受的盐或酯,以及含有它作为活性成分的抗肿瘤剂。