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pls explain the mechanism of wurtz reaction for me????

pls explain the mechanism of wurtz reaction for me????

Grade:11

1 Answers

Aman Bansal
592 Points
12 years ago

Dear Ankit,

The reaction consists of a halogen-metal exchange involving the radical species R• (in a similar fashion to the formation of a Grignard reagent and then the carbon-carbon bond formation in anucleophilic substitution reaction.)

One electron from the metal is transferred to the halogen to produce a metal halide and an alkyl radical.

R-X + M → R• + M+X

The alkyl radical then accepts an electron from another metal atom to form an alkyl anion and the metal becomes cationic. This intermediate has been isolated in a several cases.

R• + M → RM+

The nucleophilic carbon of the alkyl anion then displaces the halide in an SN2 reaction, forming a new carbon-carbon covalent bond.

RM+ + R-X → R-R + M+X

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