1-acyl-2-pyrrolidinones of general formula (I)
wherein R is selected from the group consisting of:
phenyl substituted with halogen-susbstituted lower (C1-C4) alkyl;
phenylalkyl wherein the alkyl moiety has 2-4 carbon atoms;
phenylalkenyl wherein the alkenyl moiety has 2-4 carbon atoms and the phenyl moiety is substituted with halogen-substituted lower (C1-C4)alkyl;
N-substituted pyrrolidin-2-yl; and
pyrid-3-yl
are potent enhancers of learning and memory.
Orally or parenterally administrable pharmaceutical compositions in unit dosage form comprise from about 100 to 500 mg of one of the compound of formula (I).
通式(I)的 1-酰基-
2-吡咯烷酮
其中 R 选自以下组成的组
被卤素-取代的苯基-低级(C1-C4)烷基;
苯基烷基,其中烷基具有 2-4 个碳原子;
苯基烷基,其中烯基具有 2-4 个碳原子,苯基被卤素取代的低级 (C1-C4) 烷基取代;
N-取代的
吡咯烷-2-基;以及
吡啶-3-基
是学习和记忆的有效增强剂。
口服或肠外给药的单位剂型药物组合物包含约 100 至 500 毫克的式 (I) 化合物之一。