<i>N</i>-Benzylhydroxylamine Addition to β-Aryl Enoates. Enantioselective Synthesis of β-Aryl-β-amino Acid Precursors SibiMukund P. LiuMei 2000 Chiral Lewis acid catalyzed <i>N</i>-benzylhydroxylamine addition to pyrrolidinone-derived enoates afforded β-aryl-β-amino acid derivatives in high enantiomeric purity with moderate to very good chemical efficiency.