Simple Three-Step Synthesis of (<i>R</i>)- and (<i>S</i>)-4-Amino-3-hydroxybutanoic Acid (GABOB) by Stereoselective Aldol Addition
作者:Manfred Braun、Delia Waldmüller
DOI:10.1055/s-1989-27410
日期:——
A simple synthesis of both (R)- and (S)-GABOB (5) is reported. In the key step, doubly deprotonated (R)- or (S)-2-Hydroxy-1,2,2-triphenylethyl acetate (HYTRA) (1) is added to Cbz-protected glycinal (2).
报道了一种简单的同时合成(R)-和(S)-GABOB (5)的方法。在关键步骤中,双去质子的(R)-或(S)-2-羟基-1,2,2-三苯基乙基乙酸酯(HYTRA) (1) 被添加到苄氧羰基保护的甘氨酸醛 (2)中。