申请人:Hoffmann-La Roche Inc.
公开号:US05318966A1
公开(公告)日:1994-06-07
The invention relates to cis-2,3,3a,4,5,9b-Hexahydro-1H-benzo[b]indole derivatives of the formula ##STR1## wherein R.sup.1 is a residue of the formula --O--CO--NR.sup.4 R.sup.5, R.sup.2 is lower alkyl, lower cycloalkyl or lower alkyl substituted by lower cycloalkyl, aryl, aroyl, aroylamino, amino or by a cyclic amino, amide or imide group, R.sup.3 is hydrogen or lower alkyl, R.sup.4 is lower alkyl and R.sup.5 is hydrogen or lower alkyl, the corresponding trans isomers or cis-trans isomeric mixtures and pharmaceutically acceptable salts thereof. These compounds and salts are especially suitable for the treatment or prophylaxis of cognitive disorders and senile dementia particularly, Alzheimer's disease, and for the improvement of memory capacity.
该发明涉及公式##STR1##中的cis-2,3,3a,4,5,9b-六氢-1H-苯并[b]吲哚衍生物,其中R.sup.1是公式--O--CO--NR.sup.4 R.sup.5的残基,R.sup.2是较低的烷基,较低的环烷基或被较低的环烷基,芳基,芳酰,芳酰氨基,氨基或被环氨基,酰胺或亚酰基取代的较低烷基,R.sup.3是氢或较低的烷基,R.sup.4是较低的烷基,R.sup.5是氢或较低的烷基,相应的反式异构体或顺式-反式异构体混合物及其药学上可接受的盐。这些化合物和盐特别适用于治疗或预防认知障碍和老年性痴呆,尤其是阿尔茨海默病,并且可改善记忆能力。