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प्रश्न
What is the best reagent to convert nitrile to primary amine?
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उत्तर
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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संबंधित प्रश्न
How is ethyl amine prepared from methyl iodide?
Write a short note on the following:
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Answer in one sentence.
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The source of nitrogen in Gabriel synthesis of amines is ______.
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(i) Acetyl chloride/pyridine followed by reaction with conc.\[\ce{H2SO4 }\] + conc. \[\ce{HNO3}\].
(ii) Acetic anyhdride/pyridine followed by conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].
(iii) Dil. HCl followed by reaction with conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].
(iv) Reaction with conc.\[\ce{HNO3}\] + conc.\[\ce{H2 SO4}\].
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A primary amine is formed by an amide on treatment with bromine and alkali. The primary amine has
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\[\ce{CH3CN ->[Na + C2H5OH] x}\]
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