申请人:Tanabe Seiyaku Co., Ltd.
公开号:EP0165017A2
公开(公告)日:1985-12-18
Tetrahydro-β-carboline derivative of the formula:
Wherein R2 is lower alkyl, and either
A) R1 is hydroxymethyl or carboxy,
R3 and R4 are both hydrogen, and
X is halogen, lower alkyl, lower alkoxy, hydroxy or
benzyloxy; or
B) R' is hydrogen, carboxy-lower alkyl or a group of the formula: -CN2OY,
Y is lower alkyl, lower alkanoyl or an oxygen-containing
monocyclic heterocyclic group,
R3 is hydrogen, hydroxy-lower alkyl or carboxy,
R" is hydrogen or hydroxy-lower alkyl, and
X is hydrogen,
or salt thereof, which has excellent activities for alleviating, curing and preventing hepatic damages and is useful as a therapeutic or prophylactic agent for hepatic diseases.
式中的四氢-β-咔啉衍生物:
其中 R2 为低级烷基,且
A) R1 是羟甲基或羧基、
R3 和 R4 都是氢,以及
X 是卤素、低级烷基、低级烷氧基、羟基或
苄氧基;或
B) R' 是氢、羧基-低级烷基或式中的一个基团:-CN2OY、
Y 是低级烷基、低级烷酰基或含氧单环杂环基团
单环杂环基团、
R3 是氢、羟基低级烷基或羧基、
R" 是氢或羟基低级烷基,以及
X 是氢、
或其盐,对减轻、治疗和预防肝损伤具有极好的活性,可用作肝病的治疗剂或预防剂。