Reactions of the negative oxygen ion (O−·) with carbonyl compounds
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 72, 1601-1608
- https://doi.org/10.1039/f19767201601
Abstract
Reactions of O−· ions with some aliphatic carbonyl compounds have been studied using ion cyclotron resonance spectrometry. With ketones, major products are OH–, (M—H)–, (M—H2)−· and (M—R)– ions; at higher pressures, OH– ions react further to yield (M—H)– ions. Limiting low and high pressure behaviour is used to derive relative rate constants for these reactions. Deuterium-labelling experiments suggest that the (M—H2)−· ion is formed by abstraction of a hydrogen atom and a proton exclusively from positions α to the carbonyl function. A brief study was also made of reactions with acetaldehyde and methyl acetate.Keywords
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