Preparation of 4-alkylanisoles and phenols

Details Preparation of 4-alkylanisoles and phenols Preparation of 4-alkylanisoles and phenols

1980-12-30

1983-02-01

Helfin, Bernard

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

Organic compounds

Oxygen containing

568804, 568780, 568791, C07C 4130

Patent

active

043717144

ABSTRACT:
A process for the selective alkylation of phenol or its alkyl ethers, in the presence of a particular type of zeolite catalyst, to produce a product rich in 4-alkyl phenyl alkyl ethers (e.g. 4-methylanisole). The zeolite is characterized by a Constraint Index of 1 to 12 and a silica to alumina mole ratio of at least 12, and may optionally contain a minor amount of a difficultly reducible oxide.

REFERENCES:
patent: 3706807 (1972-12-01), Etherington et al.
patent: 4011278 (1977-03-01), Plank et al.

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