1.

Ester gives nucleophilic addition reaction followed by elimination reaction with carbon nucleopile. When carbon nucleophile is of an ester then the reaction is known as Claisen condensation reaction. This reaction is also carried out between ester and a ketone. A suC Cessful Claisen condensation requires an ester with two alpha- hydrogens and anequivalent amount of base rather than a catalytic amount of base. Intramolecular Claisen condensation given diester is known as :

Answer»

Stobbe condensation
Dieckmann condesnation
Mannich REACTION
Reformatsky reaction

ANSWER :B


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