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US08383858B2 Processes and intermediates for preparing steric compounds 失效
制备立体化合物的方法和中间体

Processes and intermediates for preparing steric compounds
Abstract:
This invention relates to processes and intermediates for the preparation of an alpha-amino beta-hydroxy acid of Formula 1 wherein the variables R1, R′1 and R2 are defined herein and the compound of Formula 1 has an enantiomeric excess (ee) of 55% or greater.
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