Phenol alkylation process

Details Phenol alkylation process Phenol alkylation process

1988-06-24

1989-09-26

Lone, Werren B.

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

Organic compounds

Oxygen containing

568780, 568794, C07C 3714

Patent

active

048702153

ABSTRACT:
Phenol is di-orthoalkylated in high yield by reacting, in a first stage, phenol containing only 1 mole of an aluminum phenoxide for each 100-800 moles of phenol with an olefin at 85.degree.-175.degree. C. until the reaction mixture contains 3 wt percent or less phenol and then, in a second stage, continuing the reaction at 25.degree.-80.degree. C. until the mixture contains a substantial amount of 2,6-di-alkylphenol.

REFERENCES:
patent: 2831898 (1958-04-01), Ecke et al.
patent: 3355504 (1967-11-01), Coffield et al.
patent: 4560809 (1985-12-01), Goins et al.

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