申请人:Tanabe Seiyaku Co., Ltd.
公开号:EP0145304A1
公开(公告)日:1985-06-19
Novel tetrahydro-β-carboline derivatives of the formula:
wherein R' is carboxyl, a lower alkoxycarbonyl, carbamoyl, an N,N-di-lower alkylcarbamoyl, an N-(phenyl-substituted lower alkylidenamino)carbamoyl, a [N,N-di(lower alkyl)-amino]-lower alkyl, or a nitrogen-containing monocyclic heterocyclic group;
R2 is hydrogen atom, a lower alkyl, or a hydroxy-lower alkyl group, or R2 is combined with R' to form a group: -CO-0-CH2-;
R3 is hydrogen atom, a lower alkyl, a phenyl-lower alkyl, or a group: -CSS-R4;
R4 is hydrogen atom, an alkyl, or a group: -(CH2)nY1;
n is 0, 1 or 2,
Y1 is a lower alkenyl, a phenyl-substituted lower alkenyl, an N,N-di(lower alkyl)amino, a lower alkylmercapto, a lower alkoxycarbonyl, benzoyl, naphthyl, a cycloalkyl, a monocyclic heterocyclic group, or a substituted or unsubstituted phenyl, which have excellent activities for alleviating, curing and preventing hepatic damages and are useful as a therapeutic or prophylactic agent for hepatic diseases, and processes for the preparation thereof, and a pharmaceutical composition containing the above compound as an active ingredient.
式中的新型四氢-β-咔啉衍生物:
其中 R' 是羧基、低级烷氧基羰基、氨基甲酰基、N,N-二低级烷基氨基甲酰基、N-(苯基取代的低级亚烷基氨基)氨基甲酰基、[N,N-二(低级烷基)-氨基]-低级烷基或含氮单环杂环基团;
R2 是氢原子、低级烷基或羟基-低级烷基,或 R2 与 R' 结合形成一个基团:-CO-0-CH2-;
R3 是氢原子、低级烷基、苯基-低级烷基或一个基团:-CSS-R4;
R4 是氢原子、烷基或基团:-(CH2)nY1;
n 是 0、1 或 2、
Y1 是低级烯基、苯基取代的低级烯基、N,N-二(低级烷基)氨基、低级烷基巯基、低级烷氧基羰基、苯甲酰基、萘基、环烷基、单环杂环基团或取代或未取代的苯基,它们在缓解、治疗和预防肝病方面具有极佳的活性、及其制备工艺,以及含有上述化合物作为活性成分的药物组合物。