Tetrahydro-β-carboline derivatives of the formula:
wherein R' is hydrogen, a lower alkyl, cycloalkyl, phenyl or hydroxy-substituted lower alkyl group, R2 is hydrogen, an alkyl group, or a group of the formula:
-(CH2)mY, Y is a thienyl or a substituted or unsubstituted phenyl group, and m and n are each an integer of 1 or 2; pharmaceutically acceptable salts of such derivatives wherein R2 is hydrogen or a group of the formula: -(CH2)mY in which Y is an aminophenyl group; and processes for the preparation of such derivatives and salts.
The derivatives and the salts have excellent properties for alleviating, curing and preventing hepatic damage and are useful as therapeutic or prophylactic agents for hepatic diseases.
式中的四氢-β-咔啉衍
生物:
其中 R' 是氢、低级烷基、环烷基、苯基或羟基取代的低级烷基,R2 是氢、烷基或式中的基团:
-(
CH2)mY,Y 是
噻吩基或取代或未取代的苯基,m 和 n 各为 1 或 2 的整数;此类衍
生物的药学上可接受的盐,其中 R2 是氢或式中的基团:-( )mY,其中 Y 为
氨基苯基;以及制备此类衍
生物和盐的工艺。
这些衍
生物和盐具有缓解、治疗和预防肝损伤的优良特性,可用作肝病的治疗剂或预防剂。