MECHANISM OF SELECTIVE p-QUINOL FORMATION IN THE COBALT SCHIFF BASE COMPLEX-CATALYZED OXYGENATION OF 4-ALKYL-2,6-DI-t-BUTYLPHENOLS

Article abstract of DOI:10.1016/S0040-4039(00)71387-6

The selective formation of p-quinols in the Co(Salpr)-catalyzed oxygenation of 4-alkyl-2,6-di-t-butylphenols in MeOH has been found to involve the rate determining reduction of peroxy-p-quinolato Co(III) complex formed in the initial fast step.An ionic me