申请人:Takeda Chemical Industries, Ltd.
公开号:EP0418924A2
公开(公告)日:1991-03-27
A compound of the formula (I):
wherein the ring Ⓐ 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, -COOR¹ and -COOR² may be the same or different and are a carboxyl group which may be esterified, -Ⓑ- is a divalent heterocyclic group or a lower alkylene group each of which may be substituted, and Z is a straight C₂₋₄ divalent group which may be substituted, or its salt, a method for the production of the same and an antitumor agent containing the same.
式(I)的化合物:
其中环 Ⓐ是可以氢化的吡咯环,X 是氨基、羟基或巯基,Y 是氢原子或羟基,-COOR¹ 和 -COOR² 可以相同或不同,是可以酯化的羧基、-Ⓑ-是二价杂环基团或低级亚烷基,每个基团均可被取代,Z是可被取代的直C₂₋₄二价基团或其盐,以及生产这种物质的方法和含有这种物质的抗肿瘤剂。