Process for making ortho-alkylated phenols

Details Process for making ortho-alkylated phenols Process for making ortho-alkylated phenols

1983-05-20

1985-03-05

Lone, Werren B.

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

Organic compounds

Oxygen containing

502174, 502324, C07C 3716, C07C 3906

Patent

active

045032726

ABSTRACT:
A process for making ortho-alkylated phenols by reacting in the vapor phase an alkyl alcohol and a phenolic compound in the presence of an alkylation catalyst, said catalyst provided by a calcination residue of mixture comprising a magnesium-containing material and manganese hydroxide formed as a precipitate by bringing together an aqueous solution of a manganese salt and an aqueous solution of ammonium hydroxide in the presence of said magnesium-containing material.

REFERENCES:
patent: 3873628 (1976-03-01), Van Sorge
patent: 3972836 (1976-08-01), Van Sorge
patent: 3974229 (1976-08-01), Van Sorge
patent: 4041085 (1977-08-01), Frabetti
patent: 4100207 (1978-07-01), Goodwin
patent: 4227023 (1980-10-01), Kawamata et al.

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