Zinc oxide catalyzed dealkylation of alkylated phenols

Details Zinc oxide catalyzed dealkylation of alkylated phenols Zinc oxide catalyzed dealkylation of alkylated phenols

1984-05-03

1985-08-06

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 3750

Patent

active

045337683

ABSTRACT:
Selective catalytic steam dealkylation of ortho- and para-positions of alkylated phenols is accomplished by reacting ortho- and/or para-alkylated phenols with steam in the presence of a catalyst comprised of zinc oxide, optionally manganese oxide and optionally an organic binder and preferably an oxidizing atmosphere. High degrees of conversion are obtained without loss of the hydroxyl group of the alkylated phenols.

REFERENCES:
patent: 3998892 (1976-12-01), Leach
patent: 4060560 (1977-11-01), Leach
patent: 4071566 (1978-01-01), Leach
patent: 4110253 (1978-08-01), Leach
patent: 4191844 (1980-03-01), Bjornson
patent: 4230895 (1980-10-01), Daly
patent: 4230896 (1980-10-01), Daly
Jelinek, "Chem. Abstracts", vol. 55 (1961), p. 7357.

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