Abstract
A new type of oxidation of C 2-C 5 olefins leading to the oxidative scissions of carbon skeletons was examined on the V 2O 5-MoO 3 catalyst in the presence of water vapor. Acetic acid and acetaldehyde and acetic acid and propionic acid were selectively formed from C 2-C 4 and C 5 olefins, respectively. The reaction was found to go through consecutive multisteps. Taking into account the similarities between the present oxidation and the oxyhydration reaction, it was concluded that the reaction comprises the oxyhydration of olefins to form ketones and the subsequent oxidative scission of the ketones to acids and aldehydes, thus best being named “oxyhydrative scission.” The reaction scheme was discussed in comparison with mechanisms for other types of olefin oxidation reactions.
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