A New Synthetic Method for the Preparation of<i>α</i>,<i>β</i>-Didehydroamino Acid Derivatives by Means of a Wittig-Type Reaction. Syntheses of (2<i>S</i>, 4<i>S</i>)- and (2<i>R</i>, 4<i>R</i>)-4-Hydroxyprolines
作者:Rumi Kimura、Tanemasa Nagano、Hideki Kinoshita
DOI:10.1246/bcsj.75.2517
日期:2002.11
acid derivatives with high (Z)-selectivity in good yields. Moreover, ethyl (4S)- and (4R)-2-(N-Boc-amino)-4,5-isopropylidenedioxy-2-pentenoates prepared by the present method were converted to (2S, 4S)- and (2R, 4R)-4-hydroxyprolines, respectively.