Pyrrolidin-2-one derivatives of formula I:
wherein X = H, OH, C₂-C₇ acyloxy, C₁-C₆ alkoxy, cycloalkoxy, aralkoxy or phenoxy, n = 0 or 1 and m = 2 or 3, have a marked nootropic activity.
式I的
吡咯烷酮衍
生物:其中X = H,OH,C₂-C₇酰氧基,C₁-C₆烷氧基,环烷氧基,芳基烷氧基或苯氧基,n = 0或1,m = 2或3,具有显著的智力增强活性。