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Keywords:

  • dehydrogenation;
  • Heck reaction;
  • oxidation;
  • palladium;
  • synthetic methods
Thumbnail image of graphical abstract

Jockeying for the (meta)position: A new dicationic palladium(II) catalyst, employing a 6,6′-dimethyl-2,2′-bipyridine ligand, promotes both the aerobic oxidative Heck coupling and dehydrogenation reactions of cyclohexenones. These reactions may be combined in a one-pot sequence to enable the straightforward synthesis of meta-substituted phenols (see scheme).