SmI2-promoted imino-Reformatsky reaction for facile synthesis of enantioenriched β-amino acid esters
作者:Li Wang、Chun Shen、Ming-Hua Xu
DOI:10.1007/s11426-010-4180-z
日期:2011.1
A facile and efficient method for the stereoselective synthesis of β-amino acid esters via SmI2-promoted imino-Reformatsky reaction is described. Asymmetric addition of tert-butyl bromoacetate to N-tert-butanesulfinyl aldimines afforded β-amino acid esters in moderate to high yields with excellent diastereoselectivities. The syntheticutilities of the tert-butyl β-amino acid esters were expanded by