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Oxidation of Aldehydes to Carboxylic Acids

Oxidation of Aldehydes to Carboxylic Acids: Mechanism with Chromium(VI)

The reaction of aldehydes with chromium(VI) compounds involves the formation and subsequent decomposition of a short-lived chromate ester to give carboxylic and chromic acid:

Fig.1

Not shown here is the transformation of CrO(OH)2 to chromic acid (H2CrO4 ).

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