Preparation of 4,4"-dihydroxyterphenyl

Details Preparation of 4,4"-dihydroxyterphenyl Preparation of 4,4"-dihydroxyterphenyl

1989-08-31

1991-04-16

Lone, Werren B.

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

Organic compounds

Oxygen containing

568717, 568722, C07C 3704, C07C 3912

Patent

active

050084720

ABSTRACT:
4,4'-Dihydroxyterphenyl is prepared by sulfonating terphenyl with sulfuric acid, sulfur trioxide, a mixture thereof or chlorosulfonic acid and then treating the resulting terphenyl-4,4'-disulfonic acid, which may be first converted into a dialkali metal salt, with an alkali metal hydroxide.

REFERENCES:
patent: 4467123 (1984-08-01), Mayer et al.
patent: 4633024 (1986-12-01), Ueno et al.
Journal of Chromatography, Band. 11 Nr. 3 1963, Seiten 339-343, E. Denti.
The Journal of the American Chemical Society, vol. 66, 1944, pp. 632-634, Charles C. Price et al., "The Synthesis of Two Dihydroxyterphenyls".

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