Question

When benzaldehyde (or any other aromatic aldehyde) is heated with anhydride of an aliphatic acid (containing two $\alpha$ -hydrogen atoms) in presence of its sodium salt, condensation takes place to form an unsaturated carboxylic acid. This reaction is called

• A. Perkin reaction
• B. Claisen-Schmidt reaction
• C. Witting reaction
• D. Benzoin condensation

Answer 1

Answer: (A)

When benzaldehyde (or any other aromatic aldehyde) is heated with anhydride of an aliphatic acid (containing two $\alpha$ -hydrogen atoms) in presence of its sodium salt, condensation takes place to form an unsaturated carboxylic acid. This reaction is called Perkin reaction.