Enantioselective synthesis of phosphinyl peptidomimetics via an asymmetric Michael reaction of phosphinic acids with acrylate derivatives
作者:Xuewei Liu、X.Eric Hu、Xinrong Tian、Adam Mazur、Frank H Ebetino
DOI:10.1016/s0022-328x(01)01388-2
日期:2002.3
Asymmetric Michael reaction of phosphinic or aminophosphinic acids with acrylate derivatives afforded phosphinyl dipepti-domimetics in excellent yields ( > 90%). Chiral induction of substituents at the alpha-position of acrylate derivatives of Evans oxazolidinone type auxiliaries was obtained in moderate to excellent diastercomeric and enantiorneric excesses (50-98%). Pure diastereomers and enantiomers of phosphinyl dipeptidomimetics 16-19 were also successfully separated by HPLC. (C) 2002 Elsevier Science B.V. All rights reserved.