Anodic oxidation of phenolic compounds. Part II. Products and mechanism of the anodic oxidation of hindered phenols

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Abstract
2,6-Di-t-butyl-4-alkylphenols undergo anodic hydroxylation giving high yields of the corresponding 4-hydroxy-cyclohexa-2,5-dienones providing that the medium is buffered to avoid acid-catalysed dealkylation and quinone formation. The use of nucleophiles other than water affords a general synthesis of 4-substituted cyclohexa-2,5-dienones.

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