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.
A. Ronlán and V. D. Parker, J. Chem. Soc. C, 1971, 3214 DOI: 10.1039/J39710003214
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