A novel compound represented by the following formula (I):
wherein R₁ represents a hydrogen atom, an alkyl group or a cyclic alkyl group;
R₂ represents a hydroxyl group, an alkoxy group which may have one to three substituents in the alkyl group moiety, an arylthio group which may have one or more substituents in the aryl group moiety, an aryloxy group which may have one or more substituents in the aryl group moiety, an amino group, an alkylamino group or a cyclic amino group which may contain other hetero atoms as ring atoms selected from a nitrogen atom, an oxygen atom and a sulfur atom;
R₃ represents a hydrogen atom, an alkyl group, an aryl group which may have one or more substituents, or a hetero aryl group which may have one or more substituents; and
----- represents a single bond or a double bond; salts thereof, and pharmaceutical preparations for preventing and treating hepatic diseases containing the compound of the formula (I) or salts thereof as an active ingredient are disclosed.
由下式(I)代表的新型化合物:
其中 R₁ 代表氢原子、烷基或环烷基;
R₂代表羟基、烷氧基(可在烷基分子中具有一至三个取代基)、芳
硫基(可在芳基分子中具有一个或多个取代基)、芳氧基(可在芳基分子中具有一个或多个取代基)、
氨基、烷基
氨基或环状
氨基(可含有其他杂原子作为选自氮原子、氧原子和
硫原子的环原子);
R₃ 代表氢原子、烷基、芳基(可有一个或多个取代基)或杂芳基(可有一个或 多个取代基);以及
----- 代表单键或双键;公开了含有式 (I) 化合物或其盐作为活性成分的其盐和用于预防和治疗肝病的药物制剂。