C5-HYDROXYLIC AND N-SUBSTITUTED CLAUSENAMIDE DERIVATIVES, METHODS FOR PRODUCING THEM, PHARMACEUTICAL COMPOSITIONS AND THEIR APPLICATION

摘要

The present invention relates to stereo isomers of C5-hydroxyl substituents, N-substituted derivatives of hydroxybenzyl, hydroxyl, phenyl substituted gamma -lactams (clausenamide) and the preparation methods thereof, and pharmaceutical compositions containing the same and their uses for the preparation of medicaments as nootropic and anti-aging drugs.