Stephen Aldehyde Synthesis

Stephen Aldehyde Synthesis

When we convert cyanides into aldehydes by a method of partial reduction in presence of  SnCl2/HCl, which is followed by hydrolysis, is called as Stephens aldehyde synthesis

Stephen aldehyde synthesis was first used by Henry Stephen. This reaction used for preparation of aldehydes (R-CHO) from nitriles (R-CN) using tinchloride (SnCl2) and hydrochloric acid (HCl).


This reaction is more useful  when aromatic nitriles are used but not for all aromatic nitriles.

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Carbohydrates MCQ