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Keywords:

  • copper;
  • cyclization;
  • diaryliodonium salts;
  • homogeneous catalysis;
  • oxazine
Thumbnail image of graphical abstract

An­ endo-selective copper-catalyzed oxyarylation and oxyvinylation of allylic amides was developed. The products are the six-membered ring oxazines and are formed exclusively as the anti isomers. A range of substituted allylic amides and a wide selection of diaryliodonium and vinyl(aryl)iodonium triflates are compatible with this transformation.