Disproportionation of xylenols with phenol to form cresols

Details Disproportionation of xylenols with phenol to form cresols Disproportionation of xylenols with phenol to form cresols

C - Chemistry, Metallurgy

07

C

260/622

C07C 39/06 (2006.01) C07C 37/48 (2006.01)

Patent

CA 1081259

DISPROPORTIONATION OF XYLENOLS WITH PHENOL TO FORM CRESOLS Abstract of the Disclosure Xylenols are disproportionated with phenol over catalysts such as tungsten oxide promoted magnesium oxide, preferably in the presence of water. The reaction selectively removes methyl groups ortho to the hydroxyl group. Catalysts which can be used are magnesium oxide promoted with zinc oxide, tungsten oxide, and uranium oxide.

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