A novel pyrrolidineamide derivative that exhibits inhibitory activity toward prolyl endopeptidase and its use as an inhibitor against said enzyme are provided. The pyrrolidineamide of the invention has the following general formula: ##STR1## wherein R.sup.1 is benzyloxycarbonyl or a group of the formula: ##STR2## (wherein m is an integer of from 1 to 5) and R.sup.2 is hydroxy, acyloxyy or a group of the formula: ##STR3## (wherein R.sup.3 and R.sup.4 independently are a hydrogen atom, a halogen atom, a lower alkyl or a lower alkoxy).
                            本发明提供了一种新的
吡咯烷酰胺衍
生物,该衍
生物表现出对脯
氨酸内切酶的抑制活性,并且作为
抑制剂用于该酶。本发明中的
吡咯烷酰胺具有以下一般式: ##STR1## 其中R1是苄氧羰基或公式: ##STR2## (其中m为1至5的整数),R2为羟基、酰氧基或公式: ##STR3## (其中R3和R4独立地是氢原子、卤素原子、低级烷基或低级烷氧基)。