Question
Fri February 18, 2011 By: Rishita Gajbhiye

write mechanism of foll. reaction nBuBr + KCN ---------> nBuCN in the presence of EtOH-H2O

Expert Reply
Fri February 18, 2011
Dear Student
Haloalkanes react with alcoholic solution of potassium cyanide (KCN) to give alkane nitriles or alkyl cyanides as the major products along with a small amount of alkyl isocyanides.
The mechanism is as follows
 
 
The Nu is CN and the R' is CH2CH2CH3 and R" and R"' are H.
 
 
We hope that clarifies your query.
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