Reactions · Wikipedia: Category:Name reactions
Stephen aldehyde synthesis
Overview
Stephen aldehyde synthesis, a named reaction in chemistry, was invented by Henry Stephen (OBE/MBE). This reaction involves the preparation of aldehydes (R-CHO) from nitriles (R-CN) using tin(II) chloride (SnCl2), hydrochloric acid (HCl) and quenching the resulting iminium salt ([R-CH=NH2]+Cl−) with water (H2O). During the synthesis, ammonium chloride is also produced. It is a type of nucleophilic addition reaction.
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