Method of preparing hydrocarbyl-substituted cresols

Details Method of preparing hydrocarbyl-substituted cresols Method of preparing hydrocarbyl-substituted cresols

1977-02-24

1978-08-29

Thomas, Jr., James O.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568805, C07C 3906

Patent

active

041105435

ABSTRACT:
A method of preparing hydrocarbyl-substituted cresols is disclosed. The method comprises heating a mixture of mono- or di-hydrocarbyl-substituted cresols and an alcohol, which is benzyl alcohol or a C.sub.1 -C.sub.10 aliphatic alcohol, at an elevated temperature in the presence of a catalytic amount of alumina. The product contains at least one hydrocarbyl substituent corresponding to the hydrocarbon moiety of the alcohol used in the process. A typical process employs 4,6-di-t-butyl-m-cresol and isopropanol to prepare a product mixture containing a substantial amount of thymol.

REFERENCES:
patent: 3296316 (1967-01-01), Neuworth
patent: 3346649 (1967-10-01), Leston
patent: 3417149 (1968-12-01), Neuworth
patent: 3426358 (1969-02-01), Schlichting
patent: 3470259 (1969-09-01), Leston
patent: 3737466 (1973-06-01), Sharp
patent: 3933927 (1976-01-01), Goddard

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