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Magnus Carlsson, David Stenman, Gábor Merényi*, Torbjörn Reitberger

The carbonate radical as one-electron oxidant of carbohydrates in alkaline media

Keywords: carbonate radical, deprotonated glucose, one-electron transfer, ?-scission, 1,2 H-shift

The mechanism by which the carbonate radical anion reacts with D-glucose in alkaline aqueous solutions has been studied by means of ?-radiolysis. From the product analysis it is concluded that the reaction sequence is initiated by a one-electron transfer between the carbonate radical anion and deprotonated D-glucose. In the presence of molecular oxygen, the major, if not only products of this reaction sequence are formic acid, arabinose and gluconic acid and reaction schemes are proposed to account for the observed formation of these products.

Holzforschung, Walter de Gruyter

Print ISSN: 0018-3830
Volume: 59, 02/2005
Pages: 143 - 146

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