申请人:SANWA KAGAKU KENKYUSHO CO., LTD.
公开号:EP0272478A1
公开(公告)日:1988-06-29
A glycyrrhetic acid derivative of the formula
wherein X and Y are hydrogen atom. respectively or X is oxygen atom together with Y, A₁ is hydrogen atom, methylene or carbonyl radical, A₂ is hydrogen atom, cyano, carbamoyl, carboxy radical or alkoxycarbonyl group, m and n are an integer, respectively, R₁ is a radical of
in which R₂ is an alkyl, alkenyl group, phenyl radical or a substituted phenyl radical, A₃ is S, O or NH, and ℓ is an integer,
a process for the preparation of the derivatives, and use of the derivative as a pharmaceutical agent.
一种式中 X 和 Y 分别为氢原子或 X 与 Y 同为氧原子的甘草酸衍生物,A₁ 为氢原子、亚甲基或羰基,A₂ 为氢原子、氰基、氨基甲酰基、羧基或烷氧基羰基,m 和 n 分别为整数,R₁ 为其中 R₂ 为烷基、烯基、苯基或取代苯基的基团,A₃ 为 S、O 或 NH,ℓ 为整数的甘草酸衍生物,该衍生物的制备方法,以及该衍生物作为药剂的用途。