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Keywords:

  • aryl enones;
  • C[BOND]O cleavage;
  • lignin;
  • non-oxidative cleavage;
  • vanadium
Thumbnail image of graphical abstract

New direction: Changes in the ligand structure divert the reactivity of vanadium(V) oxo complexes from alcohol oxidation to a novel non-oxidative C[BOND]O bond cleavage. Thus, highly functionalized aryl enones can be selectively generated from lignin model compounds by vanadium-catalyzed cleavage of the β-O-4 linkage (see scheme; N blue, O red).