Condensed heterocyclic oligoglutamate derivatives, their production and pharmaceutical compositions containing them
申请人:Takeda Chemical Industries, Ltd.
公开号:EP0492316A1
公开(公告)日:1992-07-01
A novel compound of the formula:
wherein a ring A stands for an optionally substituted 5-membered ring; B stands for an optionally substituted divalent cyclic or chain group; either one of Q¹ and Q² stands for N and the other stands for N or CH; X stands for an amino group, hydroxyl group or mercapto group; Y stands for H, halogen atom or a group bonded through C, N, O or S; Z stands for a straight-chain divalent group having 2 to 5 atoms constituted of optionally substituted carbon atoms or constituted of optionally substituted carbon atoms and one optionally substituted hetero-atom; COOR¹ and COOR² independently stand for an optionally esterified carboxyl group; n denotes an integer of 2 to 6; and R¹ may be different in each of n repeating units, or their salts and it is useful as a therapeutic drug for tumor in mammals.
一种新颖的式化合物:
其中环 A 代表任选取代的五元环;B 代表任选取代的二价环状或链状基团;Q¹ 和 Q² 中的一个代表 N,另一个代表 N 或 CH;X 代表氨基、羟基或巯基;Y 代表 H、卤素原子或通过 C、N、O 或 S 键合的基团;Z 代表具有 2 至 5 个原子的直链二价基团,这些原子由任选取代的碳原子构成,或由任选取代的碳原子和一个任选取代的杂原子构成;COOR¹ 和 COOR² 分别代表任选酯化的羧基;n 表示 2 至 6 的整数;R¹ 在每个 n 个重复单元或其盐中可能不同,可用作哺乳动物的肿瘤治疗药物。