Abstract

A novel catalytic tautomeric transformation of a β-enaminophosphoryl and 2-aza-Cope rearrangement sequence has been successfully applied to the one-pot synthesis of β-aminophosphonates with high efficiency and good tolerance. In this tandem reaction, Bi(OTf)3 exhibits unique activities and promotes both of enamine-imine tautomerism and 2-aza-Cope rearrangement.

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