Process for the oxidation of benzene to phenol

Details Process for the oxidation of benzene to phenol Process for the oxidation of benzene to phenol

1989-09-26

1991-02-12

Lone, Werren B.

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

Organic compounds

Oxygen containing

568741, 568771, 568800, C07C 3758

Patent

active

049926004

ABSTRACT:
The instant invention relates to a process for the oxidation of benzene to phenol which comprises contacting benzene and molecular oxygen with a dihydrodihydroxyanthracene-sulfonate salt dissolved in water, optionally in the presence of an oxidation catalyst, and subsequently separating from the reaction product phenol and the corresponding anthraquinone-sulfonate. The by-product anthraquinone is suitably recycled to the benzene oxidation step by hydrogenating the anthraquinone salt to the dihydrodihydroxyanthracene salt.

REFERENCES:
patent: 3133122 (1964-05-01), Dundee

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