New and efficient routes to norstatine and its analogs with high enantiomeric purity by β-Lactam Synthon Method
作者:Iwao Ojima、Young Hoon Park、Chung Ming Sun、Thierry Brigaud、Mangzhu Zhao
DOI:10.1016/0040-4039(92)89019-9
日期:1992.9
Norstatine and itsanalogs, i.e., 3-amino-2-hydroxyalkanoic acids, with highenantiomericpurity are obtained through effecient asymmetric synthesis of 3-silyloxy-β-lactams by chiral enolate - imine cyclocondensation, followed by hydrolysis.