Preparation process of 4,4'-biphenol, precursor of same and prep

Details Preparation process of 4,4'-biphenol, precursor of same and prep Preparation process of 4,4'-biphenol, precursor of same and prep

1989-04-14

1989-10-31

Lone, Werren B.

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

Organic compounds

Oxygen containing

568719, 568730, 568743, 568822, C07C 3917

Patent

active

048779075

ABSTRACT:
A novel compound, 4-(4-hydroxyphenyl)-3-cyclohexene-1-ol, and a novel preparation process of 4,4'-biphenol by using the novel compound as the raw material.
4-(4-Hydroxyphenyl)-3-cyclohexene-1-ol can be obtained by conducting a thermal decomposition reaction of 4,4-bis(4-hydroxyphenyl)cyclohexanol. 4,4'-Biphenol can be industrially manufactured by conducting a dehydrogenation reaction of 4-(4-hydroxyphenyl)-3-cyclohexene-1-ol.

REFERENCES:
patent: 2368361 (1945-01-01), Jenkins
patent: 3697606 (1972-10-01), Freudewald et al.
patent: 4723046 (1988-02-01), Nagata et al.
J. Of Organic Chemistry, 34, 1160 (1969).
Patent Abstracts of Japan, vol. 7, No. 151, (Jul. 2, 1983), (C-174), 1296.

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