申请人:Takeda Chemical Industries, Ltd.
公开号:EP0434426A1
公开(公告)日:1991-06-26
The compounds of the formula,
wherein the ring Ⓐ is a pyrrole ring which may be hydrogenated; - Ⓑ - is a divalent cyclic or chain group which may be substituted; one of Q¹ and Q² is N, with the other being N or CH; W is a halogen or hydrogen atom or a group bonded to the bonding line with a carbon, nitrogen, oxygen or sulfur atom, provided that W is not -NH₂; X is an amino, hydroxyl or mercapto group; Y is a hydrogen atom or a hydroxyl or amino group; Z is a straight-chain divalent group having a number of atoms of 2 to 5 composed of carbon atoms which each may be substituted, or carbon atoms which each may be substituted and one hetero atom which may be substituted; -COOR¹ and -COOR² each is the same as or different from the other and represents a carboxyl group which may be esterified, or salts thereof are provided.
The compounds are produced by reacting compounds of the formula,
wherein Ⓐ, - Ⓑ -, W, W, X, Y, Q¹ and Q² are the same as defined above, with compounds of the formula,
wherein -COOR¹ and -COOR² are the same as defined above, and useful as anti-tumor agents.
式中的化合物、
其中环Ⓐ是可被氢化的吡咯环;-Ⓑ-是可被取代的二价环状或链状基团;Q¹和Q²中的一个是N,另一个是N或CH;W是卤素或氢原子或与碳原子、氮原子、氧原子或硫原子键合的基团,但W不是-NH₂;X是氨基、羟基或巯基;Y 是氢原子或羟基或氨基;Z 是具有 2 至 5 个原子数的直链二价基团,由各自可被取代的碳原子或各自可被取代的碳原子和一个可被取代的杂原子组成;-COOR¹ 和 -COOR² 各自相同或不同,代表可被酯化的羧基,或提供其盐。
这些化合物是通过反应式如下的化合物制得的、
其中 Ⓐ、- Ⓑ-、W、W、X、Y、Q¹和Q²与上文定义相同,与式化合物反应、
其中-COOR¹和-COOR²与上文定义相同,可用作抗肿瘤剂。