The most effective reagent for the above transformation is:
A
Zn/H+
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B
CuI
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C
CH3MgCl
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D
(CH3)2CuLi
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Solution
The correct option is D(CH3)2CuLi CH3−CH2−CH2−Br(CH3)2CuLi−−−−−−−→CH3−CH2−CH2−CH3 This reaction goes through SN2 pathway. Grignard reagent gives poor yield.