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Keywords:

  • chromanes;
  • gold;
  • homogeneous catalysis;
  • propargyl esters;
  • rearrangement
Thumbnail image of graphical abstract

New perspectives, in particular for the synthesis of isochromane derivatives (see scheme), are provided by the title reaction. Excellent diastereoselectivites are achieved in this reaction which proceeds through a gold-catalyzed 1,3-acyloxy migration. In some cases exclusively the Z isomer is detected.