Process for producing 4,4'-dihydroxydiphenyls

Details Process for producing 4,4'-dihydroxydiphenyls Process for producing 4,4'-dihydroxydiphenyls

1985-01-11

1986-01-14

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 3914, C07C 3915

Patent

active

045647135

ABSTRACT:
A process for producing 4,4'-dihydroxydiphenyls is disclosed, which comprises dimerizing alkylphenols in an aqueous solution of pH 7 to 12 containing a surfactant in the presence of an oxidizing agent, wherein the dimerization is conducted in the presence of a copper compound and a basic boron compound or a mixture of a basic substance and a boron compound. According to this process, the desired 4,4'-dihydroxydiphenyls can be easily obtained in high yield.

REFERENCES:
patent: 4085124 (1978-04-01), Rutledge
patent: 4100205 (1978-07-01), Rutledge
patent: 4132722 (1979-01-01), Rutledge
patent: 4180686 (1979-12-01), Dodd
patent: 4195189 (1980-03-01), Earley
patent: 4256596 (1981-03-01), Cohen
patent: 4354048 (1982-10-01), Strom
patent: 4438284 (1984-03-01), Strom

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