Separating 2,5-xylenol from a mixture of 2,5-xylenol and 2,4-xyl

Details Separating 2,5-xylenol from a mixture of 2,5-xylenol and 2,4-xyl Separating 2,5-xylenol from a mixture of 2,5-xylenol and 2,4-xyl

1979-11-26

1981-02-03

Lone, Werren B.

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

Organic compounds

Oxygen containing

568788, C07C 3768, C07C 3786

Patent

active

042490260

ABSTRACT:
A mixture of 2,4-/2,5-xylenol can be alkylated with a suitable alkylating agent over a strongly acidic divinylbenzene-styrene copolymer to afford a greater amount of 4-t-alkyl-2,5-xylenol than 6-t-alkyl-2,4-xylenol provided the alkylation is carried out at a suitably low temperature of up to 60.degree. C.

REFERENCES:
patent: 2435087 (1948-01-01), Luten
patent: 2802884 (1957-08-01), D'Alelio
patent: 2917487 (1959-12-01), Jones et al.
patent: 3584058 (1971-06-01), Hahn
Kunin "Ion Exchange Resin", TP i56 I 16.

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