Catalytic hydrodealkylation of alkylated phenols

Details Catalytic hydrodealkylation of alkylated phenols Catalytic hydrodealkylation 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

568780, C07C 3750, C07C 3748

Patent

active

045337675

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 magnesium oxide, optionally manganese oxide and optionally an organic binder; said reaction may preferably takes place in the presence of an oxidizing atmosphere to extend catalyst life. High degrees of conversion are obtained without loss of the hydroxyl radical 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
Francis P. Daly, Journal of Catalysis 61 (1980) 528-532.
Jelinek, "Chemical Abstract", vol. 55 (1961), p. 7357.

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