申请人:British Technology Group Limited
公开号:US05747499A1
公开(公告)日:1998-05-05
Cyclopentaquinazoline of the formula (I): ##STR1## wherein R.sup.1 is hydrogen, amino, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 hydroxyalkyl or C.sub.1-4 fluoroalkyl; wherein R.sup.2 is hydrogen, C.sub.1-4 alkyl, C.sub.3-4 alkenyl, C.sub.3-4 alkynyl, C.sub.2-4 hydroxyalkyl, C.sub.2-4 halogenoalkyl or C.sub.1-4 cyanoalkyl; Ar.sup.1 is phenylene, thiophenediyl, thiazolediyl, pyridinediyl or pyrimidinediyl which may optionally bear one or two substituents selected from halogeno, hydroxy, amino, nitro, cyano, trifluoromethyl, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; and wherein R.sup.3 is a group of the formula: --A.sup.1 --Ar.sup.2 --A.sup.2 --Y.sup.1 in which A.sup.1, A.sub.2, Y.sup.1 and Ar.sub.2 are defined in claim 1; or a pharmaceutically acceptable salt or ester there of are of therapeutic value particularly in the treatment of cancer.
公式(I)的环戊喹唑啉:其中R.sup.1是氢,氨基,C.sub.1-4烷基,C.sub.1-4烷氧基,C.sub.1-4羟基烷基或C.sub.1-4氟烷基;其中R.sup.2是氢,C.sub.1-4烷基,C.sub.3-4烯基,C.sub.3-4炔基,C.sub.2-4羟基烷基,C.sub.2-4卤代烷基或C.sub.1-4氰基烷基;Ar.sup.1是苯基,噻吩二基,噻唑二基,吡啶二基或嘧啶二基,可以选择性地带有一个或两个取代基,所述取代基选自卤素,羟基,氨基,硝基,氰基,三氟甲基,C.sub.1-4烷基和C.sub.1-4烷氧基;其中R.sup.3是以下式的基团:--A.sup.1--Ar.sup.2--A.sup.2--Y.sup.1,其中A.sup.1,A.sub.2,Y.sup.1和Ar.sub.2如权利要求1中定义;或其药学上可接受的盐或酯在治疗癌症方面具有治疗价值。