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Cross Aldol Condensation

The final pro...

Question

The final product is :

B r - M g - C H_{2} - C = C - C H_{2} - B r

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(C H_{2} - C = C - C H_{2})

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C H_{2} = C = C = C H_{2}

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Solution

The correct option is D $C H_{2} = C = C = C H_{2}$
When only 1 eq of Mg reacts, then, Mg first reacts with alkyl bromide and Grignard reagent is formed. This rearranges and we get the final product.

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