Zincke-Suhl Reaction

T. Zincke, R. Suhl, Ber. 39, 4148 (1906).

Phenol-dienone rearrangement of p-cresols by addition of carbon tetrachloride in the presence of aluminum chloride with formation of 4-methyl-4-trichloromethylcyclohexa-2,5-dienone:

M. S. Newman, A. G. Pinkus, J. Org. Chem. 19, 978, 985, 992, 997 (1954); M. S. Newman, L. L. Wood, Jr., J. Am. Chem. Soc. 81, 6450 (1959); G. A. Olah, Friedel-Crafts and Related Reactions vol. I (Interscience, New York, 1963) p 128.