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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
Give the structures of A, B and C in the following reaction:
\[\ce{C6H5NO2 ->[Fe/HCl] A ->[HNO2][273 K] B ->[C6H5OH] C}\]
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Write structures of compounds A and B in each of the following reactions:
Choose the most correct option.
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\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]
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Assertion (A): Alkyl halides are insoluble in water.
Reason (R): Alkyl halides have halogen attached to sp3 hybrid carbon.
Select the most appropriate answer from the options given below:
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\[\ce{C6H5CH2NH2 + R - X -> C6H5CH2NHR}\]
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Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.
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(i) \[\ce{SnCl2/HCl}\]
(ii) \[\ce{CH3CH2OH}\]
(iii) \[\ce{H3PO2}\]
(iv) \[\ce{LiAlH4}\]
How will you carry out the following conversion?
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Write short note on the following:
Ammonolysis
