Highly efficient synthesis of (R)- and (S)-piperazic acids using proline-catalyzed asymmetric α-hydrazination
作者:Yoshiaki Henmi、Kazuishi Makino、Yayoi Yoshitomi、Osamu Hara、Yasumasa Hamada
DOI:10.1016/j.tetasy.2004.09.025
日期:2004.11
The highly efficient synthesis of (R)- and (S)-piperazic acids, components of naturally occurring antibiotic cyclodepsipeptides, was achieved in 80% overall yield by the use of a proline-catalyzed asymmetric alpha-hydrazination as the key step. (C) 2004 Elsevier Ltd. All rights reserved.