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

1990-07-03

Lone, Werren B.

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

Organic compounds

Oxygen containing

568717, 568719, 568721, 568722, 568723, C07C 3914, C07C 3700

Patent

active

049393065

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.

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patent: 4723046 (1988-02-01), Nagata et al.
patent: 4873374 (1989-10-01), Miura et al.
patent: 4877907 (1989-10-01), Miura et al.
Chem. & Ind., 1437 (1958).
J. Am. Chem. Soc., 76, 1733 (1954).

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