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Grade: 12
        Explanation of Stephen reaction mechanism with example
2 years ago

Answers : (1)

Arun
24739 Points
							

Stephen reaction is used to synthesise aldehydes from nitriles. In this reaction, the nitrile compound is first converted to an iminium salt in presence of catalyst tin (II) chloride.This is simply the reduction of CN group to CHNH2+Cl(iminium salt). The iminium salt formed as an intermediate undergoes hydrolysis reaction to form an aldehyde.The following equation suggests the chemical reaction involved.

Regards

Arun (askIITians forum expert)

2 years ago
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