Electrocatalytic reductive splitting of CO and COH bonds at platinum electrodes

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Abstract

A survey is given of those reductive electrocatalytic transformations of carbonyl compounds and molecules containing COH bonds in special positions (allyl position, α position with respect to a carbonyl group) where the splitting of the carbon-oxygen bond occurs. These reactions take place in acid medium at noble metal (mostly platinized platinum) electrodes. In the case of simple mono- and di-carbonyl compounds (acetone, butanone, acetaldehyde, bi-acetyl, glyoxal, etc.) the formation of the corresponding hydrocarbons may be observed, but these reactions are accompanied by the formation of alcohols or diols, respectively. In the case of allyl alcohol, crotyl alcohol, butenediol, glykolaldehyde, acetoine, etc. the splitting of the COH bond precedes the reductive transformation of {A figure is presented} groups and double bonds. As a consequence of this step, hydrocarbons are formed in the overall process. The possible reaction path are considered and some problems connected with the mechanism and selectivity of these processes are discussed.

Original languageEnglish
Pages (from-to)1095-1103
Number of pages9
JournalElectrochimica Acta
Volume31
Issue number9
DOIs
Publication statusPublished - Sep 1986

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ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Electrochemistry

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