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Keywords:

  • alkynes;
  • copper;
  • diaryliodonium salts;
  • homogeneous catalysis;
  • rearrangement
Thumbnail image of graphical abstract

Free choice: A copper-catalyzed arylative Meyer–Schuster rearrangement is described. The reaction is compatible with a range of substituted propargylic alcohols and diaryliodonium salts and delivers complex trisubstituted enone products selectively as the E isomers.