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Keywords:

  • asymmetric catalysis;
  • chromium;
  • enantioselectivity;
  • homoallenylation;
  • regioselectivity
Thumbnail image of graphical abstract

Game, set, and match: The first regio- and enantioselective version of the title reaction is described. The chiral catalyst prepared in situ from CrCl3 and a non-C2-symmetric bis(oxazoline) ligand 1 affords the valuable chiral β-allenols regioselectively in good yields with excellent ee values. R=aryl, alkyl.