申请人:TANABE SEIYAKU CO., LTD.
公开号:EP0519738A1
公开(公告)日:1992-12-23
Disclosed are a dicarboxylic acid compound represented by the formula (I):
wherein R represents hydrogen atom, a lower alkyl group, phenyl group or hydroxyl group; R¹ represents a straight or branched alkyl group having 1 to 10 carbon atoms or a lower alkyl group substituted by a group selected from aryl group, a sulfur- or nitrogen-containing heterocyclic monocyclic group and a cycloalkyl group having 4 to 8 carbon atoms; R² represents a substituted or unsubstituted aryl group, a cycloalkyl group having 4 to 8 carbon atoms or a sulfur-containing or nitrogen-containing heterocylcic group; X represents sulfur atom, oxygen atom or a substituted or unsubstituted imino group; Y¹ represents imino group, oxygen atom or sulfur atom and Y² represents nitrogen atom, or Y¹ represents a vinylene group and Y² represents a group: -CH=; m represents 0 to 3; and n represents 0 or 1,
an ester thereof or pharmaceutically acceptable salts thereof, and a process for preparing the same.
本发明公开了一种由式 (I) 表示的二羧酸化合物:
其中 R 代表氢原子、低级烷基、苯基或羟基;R¹ 代表具有 1 至 10 个碳原子的直链或支链烷基,或被选自芳基、含硫或含氮杂环单环基团和具有 4 至 8 个碳原子的环烷基的基团取代的低级烷基;R² 代表取代或未取代的芳基、具有 4 至 8 个碳原子的环烷基或含硫或含氮杂环基团; X 代表硫原子、氧原子或取代或未取代的亚氨基;Y¹ 代表亚氨基、氧原子或硫原子,Y² 代表氮原子,或 Y¹ 代表乙烯基,Y² 代表一个基团:-CH=;m 代表 0 至 3;n 代表 0 或 1、
其酯或其药学上可接受的盐,以及制备方法。