申请人:F. HOFFMANN-LA ROCHE AG
公开号:EP0381959A1
公开(公告)日:1990-08-16
[(5-Oxo-2-pyrrolidinyl)methyl]cyclohexaneacetamides of the formula
wherein R₁ is hydrogen, lower alkyl or aryl-lower alkyl; R₂ is hydrogen, lower alkyl, aryl, aryl-lower alkyl,
wherein R₅ and R₆ are hydrogen, lower alkyl or aryl-lower alkyl; R₃ and R₄, independently, are hydrogen, lower alkyl or aryl-lower alkyl;
and enantiomers, diastereomers, and racemates thereof, and, when R₂
pharmaceutically acceptable acid addition salts thereof exhibit cognitive enhancement and antiamnestic activity and are therefore useful, for example, in treating memory deficits associated with Alzheimer's disease or age-associated memory impairment.
式中的[(5-氧代-2-吡咯烷基)甲基]环己烷乙酰胺
其中 R₁ 是氢、低级烷基或芳基-低级烷基; R₂ 是氢、低级烷基、芳基、芳基-低级烷基、
其中 R₅ 和 R₆ 是氢、低级烷基或芳基-低级烷基; R₃ 和 R₄ 独立地是氢、低级烷基或芳基-低级烷基;
及其对映体、非对映体和外消旋体,以及当 R₂ 时
时,其药学上可接受的酸加成盐具有增强认知能力和抗抑郁活性,因此可用于治疗与阿尔茨海默病或年龄相关性记忆损伤有关的记忆缺陷。