Process for the preparation of 5-isopropyl-3-methyl-phenol

Details Process for the preparation of 5-isopropyl-3-methyl-phenol Process for the preparation of 5-isopropyl-3-methyl-phenol

1973-08-22

1976-07-06

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260624E, C07C 3906

Patent

active

039681734

ABSTRACT:
In the preparation of 5-isopropyl-3-methyl-phenol from 3-methyl-phenol carrying at least one isopropyl radical or in the presence of propene by heating in the presence of a catalyst, the improvement which comprises effecting said heating at a temperature of about 200.degree. to 400.degree.C in the presence, as a catalyst, of synthetic aluminum silicate which has not been treated with acid. The reaction can involve isopropylation, isomerization and/or transisopropylation.

REFERENCES:
Pigman et al., "J. Amer. Chem. Soc.," vol. 76, (1954), pp. 6169-6171.

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