| 摘要 |
<p>This invention relates to a new thioproline derivative represented by general formula (I), wherein X is one of dialkyl acetal, dialkyl thioacetal, cyclic acetal, cyclic dithioacetal, cyclic thioaminal and diacyloxymethyl groups; or one of hydroxyiminomethyl, lower alkylaminoiminomethyl, arylaminoiminomethyl and carbomoylaminoiminomethyl groups; or a 2-benzimidazolyl group. The invention also relates to an antiamnesiac drug and a proline endopeptidase inhibitor containing said derivative as the active ingredient.</p> |
