Question

Alkyl halides react with dialkyl copper reagents to give

• A. alkenes
• B. alkyl copper halides
• C. alkanes
• D. alkenyl halides.

Answer 1

Answer: (C)

alkanes

Answer 2

The correct answer is Option C) alkanes

In Corey House's synthesis of alkane, alkyl halide reacts with lithium dialkyl cuprate. $R_{2}CuLi+R' X \to RR'+RCu+LiX$

For example, Lithium dialkyl cuprate reacts with ethyl chloride to give n-butane.

Li(CH3-CH2)2Cu + CH3-CH2-Cl →CH3-CH2-CH2-CH3 +LiCl + CH3-CH2-Cu

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