Practical Synthesis of 1-Aryl-6-(hydroxymethyl)-2-ketopiperazines via a 6-<i>exo</i> Amide−Epoxide Cyclization
作者:Noel A. Powell、Fred L. Ciske、Emma C. Clay、Wayne L. Cody、Dennis M. Downing、Peter G. Blazecka、Daniel D. Holsworth、Jeremy J. Edmunds
DOI:10.1021/ol048235t
日期:2004.10.1
Chiral 1-aryl-6-(hydroxymethyl)-2-ketopiperazines can be prepared via an operationally simple, 6-exo epoxide ring-opening cyclization to form the ketopiperazine C6-N1 bond in high yields and with excellent enantiomeric purity.