This invention relates to processes and intermediates for the preparation of an alpha-amino beta-hydroxy acid of Formula 1
wherein the variables R
1
, R′
1
and R
2
are defined herein and the compound of Formula 1 has an enantiomeric excess (ee) of 55% or greater.
本发明涉及一种制备公式1中α-
氨基β-羟基酸的方法和中间体,其中变量R1、R′1和R2在此处定义,公式1的化合物具有55%或更高的对映体过量(ee)。