Oxidative coupling of alkylphenols or 1-naphthols catalyzed by c

Details Oxidative coupling of alkylphenols or 1-naphthols catalyzed by c Oxidative coupling of alkylphenols or 1-naphthols catalyzed by c

1977-02-18

1978-07-11

Morgenstern, Norman

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

Organic compounds

Oxygen containing

260396N, 260586C, 260590E, 260590D, 260590FB, 260613R, 568729, 568719, C07C 2700, C07C 3700, C07C 4100, C07C 4500

Patent

active

041002024

ABSTRACT:
Carbon-carbon coupled self-condensation products obtained by the oxidative coupling of alkylphenols or 1-naphthols are prepared by contacting an aqueous mixture of an alkylphenol or 1-naphthol with oxygen in the presence of sufficient alkaline material to sustain a pH in the range of 8.5-9.5 during the oxidative coupling reaction and a catalyst system comprising a cupric chelate of a compound selected from the group consisting of quanidines, amides, salens, dihydrazides, triazenes, dihydroxy substituted aromatics, macrocylic polyamines and alpha, delta-polyketones.
The mixture may optionally contain a surfactant.

REFERENCES:
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patent: 2785188 (1957-03-01), Coe
patent: 2885444 (1959-05-01), Fookes et al.
patent: 3247262 (1966-04-01), Kaeding
patent: 3322838 (1967-05-01), Carrick et al.
patent: 3812193 (1974-05-01), Randell et al.
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patent: 3873627 (1975-03-01), Lee et al.
patent: 3876709 (1975-04-01), Lee et al.
patent: 4008266 (1977-02-01), Intille
White et al., I, "J. Poly. Sc.," Part A1, 8:1427-1438 (1970).
White et al., II, Ibid; 10:1565-1578(1972).
Kaeding, "J. Org. Chem.," 28:1063-1067(1963).

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