Abstract

The conjugate addition of O-benzylhydroxylamine and N, O-bis(trimethylsilyl)hydroxylamine to alkylidene and arylidene malonates in the presence of Lewis acids affords the corresponding β-hydroxylamino derivatives in good yields. The use of Cu(OTf) 2 in the presence of chiral bisoxazoline ligands opens the possibility of performing this reaction in a catalytic and enantioselective way.

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