Disclosed herein are methods for synthesizing diketopiperazines with enantiomeric excess by inducing cyclization of an α-keto acid with an acid catalyst.
本文揭示了一种通过在酸催化剂的作用下诱导α-酮酸发生环化来合成具有对映体过量的二酮哌啶的方法。
A New Route to (Z)-3-Alkylidene-(S)-6-alkyl-2,5-piperazinediones via N-Carboxy-a-dehydroamino Acid Anhydrides