A Stereodivergent Approach to Chiral Nonracemic N-Protected α,α-Dialkylated Amino Acids
摘要:
Menthyl carboxaldehyde is used as a chiral auxiliary to make quaternary amino acids of either configuration via a stereodivergent approach that includes an SN2' displacement by a cuprate reagent and a Curtius rearrangement as key steps.