Metal-directed asymmetric synthesis of diastereoisomeric β-phenyl serines using (+)-ketopinic acid as a chiral auxiliary.
作者:Luigi Casella、Giancarlo Jommi、Stefania Montanari、Massimo Sisti
DOI:10.1016/s0040-4039(00)87836-3
日期:——
A new method for the asymmetric synthesis of threo and erythro β-phenylserines using (+)-ketopinic acid as a chiral auxiliary is reported. The reaction was based on the condensation of benzaldehyde with the metal (Li+, K+ or Zn++, enolates of the chiral imines .
报道了一种新的不对称合成苏式和赤式β-
苯基丝氨酸的方法,该方法使用(+)-
酮酸作为手性助剂。该反应是基于
苯甲醛与
金属(Li +,K +或Zn ++,手性
亚胺的烯酸酯)的缩合反应。