申请人:Chugai Seiyaku Kabushiki Kaisha
公开号:US06133279A1
公开(公告)日:2000-10-17
Herein disclosed are therapeutic agents for renal diseases and organ preservatives containing a compound represented by the general formula (1): ##STR1## wherein X represents an oxygen atom or a group represented by the general formula (2): ##STR2## where n represents an integer from 0 to 2, R.sub.1 represents a hydrogen atom or an acyl group, R.sub.2 represents a hydrogen atom, a lower alkyl group or a lower alkenyl group, R.sub.3 represents a lower alkyl group, R.sub.4, R.sub.5 and R.sub.6, which may be the same or different, each represents a hydrogen atom or an optionally substituted alkyl group, and R.sub.6 further represents a formyl, carboxyl, lower alkoxycarbonyl or optionally substituted carbamoyl group, or R.sub.3 and R.sub.4 may be taken together to form a five-membered ring, or R.sub.5 and R.sub.6 may be taken together to form a cycloalkyl group, provided that when the five-membered ring formed by R.sub.3 and R.sub.4 and the benzene ring form benzofuran or benzo[b]thiophene, R.sub.6 is absent.
本文披露了一种用于肾脏疾病的治疗剂和含有一种由一般式(1)表示的化合物的器官保护剂:##STR1## 其中X表示氧原子或由一般式(2)表示的基团:##STR2## 其中n表示0到2的整数,R.sub.1表示氢原子或酰基基团,R.sub.2表示氢原子、低级烷基基团或低级烯基基团,R.sub.3表示低级烷基基团,R.sub.4,R.sub.5和R.sub.6,可以相同也可以不同,每个表示氢原子或可选取代的烷基基团,R.sub.6还表示甲酰基、羧基、低级烷氧羰基或可选取代的氨基羰基,或R.sub.3和R.sub.4可以结合形成五元环,或R.sub.5和R.sub.6可以结合形成环烷基基团,但当R.sub.3和R.sub.4形成的五元环和苯环形成苯并呋喃或苯并噻吩时,R.sub.6不存在。