Alkylation process

Details Alkylation process Alkylation process

1984-10-09

1985-12-24

Lone, Werren B.

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

Organic compounds

Oxygen containing

568784, 568785, 568794, C07C 3711, C07C 3806

Patent

active

045608091

ABSTRACT:
A process for the production of a 2,6-dialkylphenol in high yield wherein the alkyl groups are secondary or tertiary with a reduced overall production of 4-alkylphenol by-products by the aluminum phenoxide catalyzed pressure reaction of isobutylene with phenol and a mixture of 2,4-dialkylphenol and 2,4,6-trialkylphenol which may be obtained, in a cyclic process, as a bottom stream from the distillation of the reaction mixture to obtain the 2,6-dialkylphenol product.

REFERENCES:
patent: 2831898 (1958-04-01), Ecke et al.
patent: 3200157 (1965-08-01), Buls et al.
patent: 3355504 (1967-11-01), Coffield et al.
patent: 3367981 (1968-02-01), Napolitano
patent: 3426082 (1969-02-01), Curry et al.
patent: 3461175 (1969-08-01), Kulik et al.
patent: 3652685 (1972-03-01), Geddes

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