Separation and purification method of xylenol isomer

Details Separation and purification method of xylenol isomer Separation and purification method of xylenol isomer

1999-03-18

2000-11-21

Shippen, Michael L.

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

Organic compounds

Oxygen containing

C07C 3768

Patent

active

061505668

ABSTRACT:
At least one xylenol isomer can be separated and purified from a mixture, which contains the specific xylenol isomer and at least one organic substance other than the specific xylenol isomer, by bringing the mixture into contact with 1,1-di(4-hydroxyphenyl)cyclohexane as a host compound to form a complex of the specific xylenol isomer as a guest compound with the host compound and then having the specific xylenol isomer released from the complex. The mixture may contain at least two xylenol isomers consisting of 2,4-xylenol and 2,5-xylenol, and at least one of the xylenol isomers can be separated and purified by having it released from its complex with the host compound.

REFERENCES:
patent: 2456581 (1948-12-01), Cislak
patent: 2456582 (1948-12-01), Cislak
patent: 4447658 (1984-05-01), Leston
patent: 4499312 (1985-02-01), Leston

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