Process for separating 3,5-xylenol or 3,4-xylenol from other pol

Details Process for separating 3,5-xylenol or 3,4-xylenol from other pol Process for separating 3,5-xylenol or 3,4-xylenol from other pol

1982-09-30

1984-05-08

Lone, Werren B.

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

Organic compounds

Oxygen containing

568751, 568752, C07C 3768

Patent

active

044476582

ABSTRACT:
A process is disclosed for separating 3,5-xylenol or 3,4-xylenol from other closely boiling polymethylated phenolics by treating a mixture of the phenolics with a metal halide salt. The metal halide salt preferentially forms a complex with the xylenol over other related phenolics in the mixture. The preferentially-formed complex of the xylenol may then be isolated from the mixture and the complex decomposed to provide a product substantially enriched in, or substantially entirely composed of the xylenol.

REFERENCES:
patent: 4258220 (1981-03-01), Leach
patent: 4267389 (1981-05-01), Leston
patent: 4267390 (1981-05-01), Leston
patent: 4267391 (1981-05-01), Leston
patent: 4267392 (1981-05-01), Leston
Sharpless et al., "Jour. Organic Chemistry", vol. 40, No. 9, (1975), pp. 1252-1257.

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