Engineering
Chemistry
Preparation of Aldehyde and Ketones
Oxidation of aldehydes and ketones
Question
By the action of malonic acid in ethanolic ammonia on benzaldehyde in the presence of pyridine, it forms :
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Solution
The reactants for this are benzaldehyde and malonic acid in the presence of a weak base, followed by acid-catalyzed decarboxylation. It can also be prepared by oxidation of cinnamaldehyde, condensation of benzal chloride and sodium acetate (followed by acid hydrolysis), and the Perkin reaction.
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