Cannizzaro Reaction

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Cannizzaro Reaction

This is the general form of the Cannizzaro reaction.
This is the general form of the Cannizzaro reaction. Todd Helmenstine
The Cannizzaro reaction is a redox disproportionation of aldehydes to carboxylic acids and alcohols in the presence of a a strong base.

The second reaction uses a similar mechanism with α-keto aldehydes.

The Cannizzaro reaction sometimes produces unwanted byproducts in reactions involving aldehydes in basic conditions.