Para-selective butylation of phenol over fairly large-pore zeoli

Details Para-selective butylation of phenol over fairly large-pore zeoli Para-selective butylation of phenol over fairly large-pore zeoli

1993-02-01

1994-02-22

Lone, Werren B.

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

Organic compounds

Oxygen containing

568784, 568785, 568786, C07C 3714, C07C 3716

Patent

active

052889270

ABSTRACT:
There is provided a process for reacting phenol with butene or butanol over fairly large-pore zeolites to give butylphenol with high para-selectivity. Particular zeolites for use in this reaction include ZSM-12 and zeolite beta. A particular butene or butanol reactant is isobutanol. The product of this reaction may have a high content of the mono-alkylated, tert-butyl product.

REFERENCES:
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patent: 4405818 (1983-09-01), Stead et al.
patent: 4954663 (1990-09-01), Marler et al.
patent: 5072054 (1991-12-01), Marler et al.
patent: 5175375 (1992-12-01), Chang et al.
Corma, A. et al., "Influence of the Acid-strength Distribution of the Zeolite Catalyst on the t-Butylation of Phenol," J. Chem. Research(s), 40-41 (1988).
Chemical Abstracts 107:58245c, vol. 107, 666 (1987).
Chemical Abstracts 109:170020t, vol. 109, 679 (1988).
Chemical Abstracts 112:157859r, vol. 112, 681 (1990).

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