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Electrocatalytic oxidation of b-dicarbonyl compounds using ceric methanesulphonate as mediator

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Author(s): Liu Yao Cho | Romero José Ricardo

Journal: Química Nova
ISSN 0100-4042

Volume: 21;
Issue: 2;
Start page: 144;
Date: 1998;
Original page

Keywords: electrocatalysis | electrooxidation | ceric methanesulphonate

ABSTRACT
beta-dicarbonyl compounds were oxidized electrocatalytically, with fragmentation and loss of "ch2", using ceric methanesulphonate as a mediator. 2,4-pentanedione yields acetic acid (90%), methyl acetoacetate yields acetic acid (84%) plus methanol and dimethyl malonate yields methanol (64%). For 1,3-diphenyl-1,3-propanedione and 1,3-cyclohexanedione, benzoic acid (61% yield) and glutaric acid (75% yield) were obtained, respectively. Methyl cyanoacetate and malononitrile were inert.
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