The present invention relates to optically enriched or substantially optically pure 4-substituted-pyrrolidin-2-ones of formula (III), and their uses for the synthesis of 2-oxo-pyrrolidin-1-yl derivatives.
本发明涉及式(III)的光学富集或基本光学纯的4-取代
吡咯烷-2-酮,以及它们用于合成2-氧代
吡咯烷-1-基衍
生物的用途。