Abstract
The oxygenation of 4-(N-arylmethyleneamino)-2,6-di-t-butylphenols with Co(Salpr), a five coordinate Co(II0 Schiff base complex, in CH 2Cl 2 results in the regioselective hydroperoxylation at the imino carbon to give N-(l-aryl-l-hydroperoxymethyl)-3,5-di-t-butyl-p-benzoquinone monoimines, which give exclusively the corresponding amides and 2,6-di-t-butyl-p-benzoquinone in an aerobic solution of KOH in 90% EtOH.
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