Pyrrolidinone derivatives, their preparation and pharmaceutical composition comprising the same
申请人:——
公开号:US20030114491A1
公开(公告)日:2003-06-19
The present invention relates to substituted pyrrolidinone compounds of formula 1,
1
wherein n is 0 or 1; Aza is a heterocycle optionally substituted with C
1-4
alkyl, or C
1-4
alkyl substituted with a heterocycle, which represents a saturated or unsaturated five- or six-membered ring having nitrogen(s) as a heteroatom, which are muscarinic acetylcholine receptor agonists and useful as nootropics and therapeutic agents for cerebral neural diseases such as Alzheimer's disease; and pharmaceutically acceptable salts thereof; processes for the preparation thereof; and pharmaceutical compositions comprising these compounds or salts.
本发明涉及式1的取代吡咯烷酮化合物,
其中n为0或1;Aza是一种杂环,可选地用C
1-4
烷基取代,或用杂环取代的C
1-4
烷基,表示具有氮原子作为杂原子的饱和或不饱和的五元或六元环,它们是肌碱乙酰胆碱受体激动剂,可用作脑神经疾病如阿尔茨海默病的智力增强剂和治疗剂;以及其药学上可接受的盐;其制备方法;以及包含这些化合物或盐的药物组合物。