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Reactions of Haloarenes with Metals

Explain Wurtz...

Question

Explain Wurtz-Fitting reaction.

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Solution

It is coupling between aryl halide and alkyl halide in presence of sodium metal in dry ether to form alkyl benzene.
$P h - B r + C H_{3} B r + 2 N a d r y e t h e r - ---- \to P h - C H_{3} + 2 N a B r$
During this reaction, following side products are obtained.
$2 P h - B r + 2 N a d r y e t h e r - ---- \to P h - P h (Diphenyl) + 2 N a B r$
$2 C H_{3} - B r + 2 N a d r y e t h e r - ---- \to C H_{3} - C H_{3} + 2 N a B r$

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