Preparation of benzoquinones by oxidation of phenols

Details Preparation of benzoquinones by oxidation of phenols Preparation of benzoquinones by oxidation of phenols

1995-11-27

1998-01-27

Mullis, Jeffrey C.

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

Organic compounds

Sulfur containing

568338, 568357, 568361, 568362, 568371, 568363, C07C 4602, C07C 4604, C07C 4606, C07C 4608

Patent

active

057124167

ABSTRACT:
Process for preparing benzoquinones by oxidation of phenols in the presence of a diluent and of an oxygen-transferring catalyst which contains a heavy metal ion bound in a complex, wherein oxygen, hydrogen peroxide, a compound which liberates hydrogen peroxide, an organic hydroperoxide, a percarboxylic acid or peroxomonosulfuric acid or salts thereof are used as oxidizing agent, and wherein the oxygen-transferring catalyst is from the

REFERENCES:
"Catalytic Oxidations of Hydroquinones and 1,2-Dephenylhydrazine in the tetraazacyclotetradecinato)-cobalt(II)" in Inorganica Chemica Acta, vol. 144, pp. 1-3, 1988. By Kazunori Sakata, et al.
Japanese Docket Number JP 127,937/1974. Dated Dec. 7, 1974. English Abstract thereof.
Meunier et al., translation of FR 2 655 985, Jun. 1991.
Park et al., translation of "Saturated and Unsaturated -Azamacrocyclic Complexes (M=CO.sup.3+, FE.sup.3+, and MN.sup.3+) Catalyzed Oxidation of Hindered Phenols by Molecular Oxygen Under Borohydride", Journal of the Korean Chemical Society, vol. 37, No. 7, 1993, pp. 648-654.
Inorganica Chemica Acta, vol. 144, pp. 1-3, 1988, Sakata et al.
CA Abstract 120: 163573 CA, Park et al, J. Korean Chem. Soc. (1993), 37(7), 648-654.
Jaeger et al., Z. Chem. (1985), 25(12), 4456.
White et al., Macromolecules, vol. 23, 1990.

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