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Question
What is the best reagent to convert nitrile to primary amine?
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Solution
On treatment of nitriles with strong reducing agents such as lithium aluminium hydride in either of sodium metal in alcohol, primary amines are obtained.
\[\ce{\underset{Alkyl nitrile}{R - CN} + 4[H] ->[Na/C2H5OH][or LiAH4/ether] R - Cl2NH2}\]
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