Asymmetric Syntheses via Heterocyclic Intermediates; XVII1. Enantioselective Synthesis of (R)-α-Methyl-S-benzylcysteine Methyl Ester and (R)-α-Methyl-S-t-butylcysteine Methyl Ester Using L-Valine as Chiral Auxiliary Reagent

Abstract

Asymmetric Syntheses via Heterocyclic Intermediates; XVII¹. Enantioselective Synthesis of (<i>R</i>)-α-Methyl-<i>S</i>-benzylcysteine Methyl Ester and (<i>R</i>)-α-Methyl-<i>S</i>-<i>t</i>-butylcysteine Methyl Ester Using L-Valine as Chiral Auxiliary Reagent