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Question
Which is the Claisen condensation product of ethyl propanoate ?
Which is the Claisen condensation product of ethyl propanoate ?
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Solution
The correct option is A
Ester undergoes self condensation in presence of strong base to give β-ketoester. This reaction is called Claisen condensation reaction.
Mechanism of Claisen condensation reaction:
1. Enolate formation : The strong base will abstract the acidic α-hydrogen to form the enolate ion.
2. Nucleophile attack: Formed enolate will attack the carbonyl carbon of another ester molecule and leaving group (-OR) will leave the compound to form β− ketoester.
Ester undergoes self condensation in presence of strong base to give β-ketoester. This reaction is called Claisen condensation reaction.
Mechanism of Claisen condensation reaction:
1. Enolate formation : The strong base will abstract the acidic α-hydrogen to form the enolate ion.
2. Nucleophile attack: Formed enolate will attack the carbonyl carbon of another ester molecule and leaving group (-OR) will leave the compound to form β− ketoester.
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