For the reaction shown, select the expected major organic product.

Question

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The reaction involves a nucleophilic substitution of the bromine by the nitrogen atom in the presence of base. The resulting intermediate can tautomerize to give an imine or undergo elimination to give a double bond. The product with the highest yield is expected to be the one that results from the elimination pathway, which is option B. The other products are either less stable or less likely to form under the reaction conditions.

For the Reaction Shown, Select the Expected Major Organic Product