A removable auxiliary for amidomercuration reactions: The stereoselective preparation of substituted N-acyl pyrrolidines and piperidines

Article abstract of DOI:10.1016/S0040-4039(00)70687-3

Salicylamide condenses with γ,δ- or δ,ε-unsaturated aldehydes to give cyclic amidals which readily undergo diastereoselective mercury(II)-mediated amidocyclization. The resulting products serve as versatile intermediates for further elaboration as nitroge