Coupling of phenols with diphenoquinones

Details Coupling of phenols with diphenoquinones Coupling of phenols with diphenoquinones

1981-04-06

1983-10-18

Lone, Werren B.

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

Organic compounds

Oxygen containing

568722, C07C 3915

Patent

active

044107366

ABSTRACT:
Substituted biphenols are produced by the oxidative coupling of phenolic reactants in the presence of a heterogeneous oxidative coupling catalyst and thereafter further contacting the reaction product with additional phenolic reactant in the presence of a heterogeneous reduction catalyst in the substantial absence of oxygen.

REFERENCES:
patent: 3562338 (1971-02-01), Zaweski
patent: 3631208 (1971-12-01), Hay
patent: 3804865 (1974-04-01), Rutledge
patent: 4098830 (1978-07-01), Rutledge
patent: 4238627 (1980-12-01), Reichle

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