申请人:Takeda Chemical Industries, Ltd.
公开号:US05354754A1
公开(公告)日:1994-10-11
A compound of the formula (I): ##STR1## wherein the ring A is a pyrrole ring which may be hydrogenated, X is an amino group, a hydroxyl group or a mercapto group, Y is a hydrogen atom or a hydroxyl group, --COOR.sup.1 and --COOR.sup.2 may be the same or different and are a carboxyl group which may be esterified, --B-- is a divalent heterocyclic group or a lower alkylene group each of which may be substituted, and Z is a straight C.sub.2-4 divalent group which may be substituted, or its salt, a method for the production of the same and an antitumor agent containing the same.
该化合物的化学式(I)为:##STR1## 其中环A是一个吡咯环,可以是氢化的,X是氨基、羟基或巯基,Y是氢原子或羟基,--COOR.sup.1和--COOR.sup.2可以相同也可以不同,是可能酯化的羧基,--B--是二价杂环基团或低碳烷基基团,每个基团都可以被取代,Z是直链C.sub.2-4二价基团,可以被取代,或其盐,以及包含该化合物的生产方法和抗肿瘤剂。