Preparation of cresols and xylenols from tetramethylphenols and pentamethylphenol

摘要

Cresols and xylenols are prepared by reacting a mixture of tetramethylphenols and pentamethylphenol with phenol in the liquid phase in the presence of a catalyst selected from the group consisting of activated carbon, magnesium oxide, magnesium carbonate and magnesium hydroxide.