Issue 12, 1981

Notes. Activation of dioxygen and catalytic oxidation of ethanol to acetaldehyde and hydrogen peroxide by copper(I) complexes containing 2,2′-bipyridyl and tertiary phosphine ligands

Abstract

Reactions of [Cu(bipy)Ll](bipy = 2,2′-bipyridyl; L = PPh3, PMePh2, PBun3, or PEt3) with O2 alone in dimethylformamide and SO2 plus O2 in dichloromethane lead to the formation of [Cu2(bipy)2(OH)2]l2 and precipitation of Cu[SO4]. The complex [Cu(bipy)Ll] catalyses the oxidation of ethanol by dioxygen to acetaldehyde and H2O2 in the presence of equimolar quantities of Na[OC2H5]. Added phosphine acts as a strong inhibitor and the catalytic decomposition of H2O2 by the complexes leads to their deactivation. A tentative reaction mechanism is discussed.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1981, 2585-2586

Notes. Activation of dioxygen and catalytic oxidation of ethanol to acetaldehyde and hydrogen peroxide by copper(I) complexes containing 2,2′-bipyridyl and tertiary phosphine ligands

S. Bhaduri and N. Y. Sapre, J. Chem. Soc., Dalton Trans., 1981, 2585 DOI: 10.1039/DT9810002585

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