申请人:WAKUNAGA SEIYAKU KABUSHIKI KAISHA
公开号:EP0259185A1
公开(公告)日:1988-03-09
Bile acid derivative of the following formula (I):
wherein: X is a halogen atom; R₁ is a hydrogen atom or a lower alkyl group; Y is
(wherein n is an integer of from 0 to 5); each of R₂ and R₃ is a hydrogen atom or a hydroxyl group; R₄ is a hydroxyl group, lower alkoxyl group,
(wherein R₅ is a hydrogen atom or a lower alkoxyl group, R₆ is a carboxyl group, benzyloxycarbonyl group or sulfonyl group, or a salt thereof, and m is an integer of from 1 to 4); the intermittent line, ...., is an α-bond; and the wavy line, , is an α- or β-bond, and a salt thereof and their production.
下式(I)的胆汁酸衍生物:
其中X 是卤素原子; R₁ 是氢原子或低级烷基; Y 是
(其中 n 为 0 至 5 的整数); R₂ 和 R₃ 各为氢原子或羟基; R₄ 为羟基、低级烷氧基、
(其中 R₅ 是氢原子或低级烷氧基,R₆ 是羧基、苄氧羰基或磺酰基,或其盐,m 是 1 至 4 的整数);间断线 .... 是 α 键;波浪线 , , 是 α 或 β 键,及其盐和它们的衍生物。