Iron(II)-catalyzed sulfimidation and [2,3]-sigmatropic rearrangement of propargyl sulfides with tert-butoxycarbonyl azide. Access to N-allenylsulfenimides

Article abstract of DOI:10.1021/jo0340410

The iron(II)-catalyzed Bach reaction of tert-butoxycarbonyl azide (BocN₃) and allyl sulfides has been extended to include propargyl sulfides, which give N-allenylsulfenimide products. Using 10 mol % dppeFeCl₂ as catalyst the reaction