Question

what is stephen reaction​

Answer 1

Stephen aldehyde synthesis, a named reaction in chemistry, was invented by Henry Stephen. This reaction involves the preparation of aldehydes from nitriles using tin(II) chloride, hydrochloric acid and quenching the resulting iminium salt with water. During the synthesis, ammonium chloride is also produced

Answer 2

Nitriles with stannous chloride in the presence of hydrochloric acid reduced to the corresponding amine and give the corresponding aldehyde after hydrolysis.

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