Bulletin of the Chemical Society of Japan
Online ISSN : 1348-0634
Print ISSN : 0009-2673
ISSN-L : 0009-2673
Studies of Electrode Processes of Oxovanadium (IV). IV. Catalytic Reduction of Acetylacetone Coupled with Cathodic Reduction of Bis(acetylacetonato)oxovanadium(IV)
Mitsutaka KitamuraKazuo SasakiHideo Imai
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1977 Volume 50 Issue 12 Pages 3199-3201


Acetylacetone was catalytically reduced in the course of the electrolytic reduction of bis(acetylacetonato)oxovanadium(IV) at a mercury cathode. In acetonitrile solutions the catalytic reduction proceeded at −2.1 V vs. Ag/0.01 mol dm−3 AgClO4 electrode and the reduction products were hydrogen and acetylacetonate anion, while by the direct electrolysis of acetylacetone at −2.5 V a product with vicinal hydroxyl groups was formed. A steady-state current was observed in the controlled potential electrolysis. A reaction mechanism involving the regeneration of trivalent vanadium by the coupled chemical reaction of divalent vanadium with acetylacetone is proposed.

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