Aerobic oxidation of 2,4,6-tri-tert-butylphenol to quinones catalyzed by copper(II) complexes of an N-octylated bis-benzimidazolyl ligand

Oxidative dealkylation of tri-tert-butylphenol to o,p-quinones via a phenoxyl radical intermediate using a copper(II) bis-benzimidazole as catalyst and molecular oxygen.