申请人:Takeda Chemical Industries, Ltd.
公开号:EP0334636A2
公开(公告)日:1989-09-27
A compound of the formula
wherein the ring Ⓐ is a pyrrole or pyrroline ring, X is an amino group or a hydroxyl group, Y is a hydrogen atom, an amino group or a hydroxyl group, R is a hydrogen atom, a fluorine atom, an alkyl group, an alkenyl group or an alkynyl groups, -COOR¹ and -COOR² are independently carboxyl group which may be esterified and n is an integer of 2 to 4, and R may be different in each of the n repeating units, and salts thereof have excellent antitumor effects, and can be used as antitumor agents in mammals.
式中的化合物
其中环Ⓐ是吡咯环或吡咯啉环,X 是氨基或羟基,Y 是氢原子、氨基或羟基,R 是氢原子、氟原子、烷基、烯基或炔基、-COOR¹和-COOR²独立地为可酯化的羧基,n为2至4的整数,R在n个重复单元中可能各不相同,其盐类具有优异的抗肿瘤效果,可用作哺乳动物的抗肿瘤剂。