| 摘要 |
Tetrahydro-beta-carboline derivs. of formula (I) are prepared. In (I) , R1= COOH, lower alkoxycarbonyl, CONH2 opt. disubstd. by lower alkyl, N-(Ph-substd.-lower alkylideneamino) carbamoyl, N,N-Di-(lower) alkylamino-lower alkyl or a N-contg. monocyclic heterocyclic gp.; R2= H, lower alkyl or lower hydroxyalkyl; or R1 + R2= CO-O-CH2; R3= H, lower alkyl, Ph- lower alkyl or CSSR4; R4= H, alkyl or (CH2)NY1; N= 0,1 or 2; Y1= lower alkenyl, Ph-lower alkenyl, naphthyl, cycloalkyl or monocyclic heterocyclyl or opt. substd. Ph. (I) are useful for alleviating and curing hepatic diseases.
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