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Keywords:

  • allenes;
  • chemoselectivity;
  • heterocycles;
  • palladium;
  • regioselectivity

Abstract

Thumbnail image of graphical abstract

Positive discrimination: Chemo- and regioselective palladium-catalyzed cycloetherification of allendiols, namely β,γ- and γ,δ-allendiols, may occur by judicious choice of palladium-catalyzed conditions owing to their potential ability to discriminate between both nucleophilic sites (see scheme).