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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
Write the reaction of aromatic primary amine with nitrous acid.
Arrange the following in the increasing order of their pKb values:
C6H5NH2, C2H5NH2, C6H5NHCH3
Write reactions to bring about the following conversions.
Acetamide to Ethylamine
The end product C of the following reaction is
\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]
Which of the following amines exhibits maximum degree of intermolecular hydrogen bonding?
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\[\ce{CH3-CN ->[Na/C2H5OH]}\]
The product formed is ____________.
Identify the product obtained when benzamide is treated with bromine and aqueous sodium hydroxide?
Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?
Which of the following compounds is obtained when quaternary ammonium hydroxide is strongly heated?
Which of the following reagents would not be a good choice for reducing an aryl nitro compound to an amine?
The best reagent for converting 2–phenylpropanamide into 2-phenylpropanamine is ______.
Reduction of aromatic nitro compounds using \[\ce{Fe}\] and \[\ce{HCl}\] gives ______.
The reagents that can be used to convert benzenediazonium chloride to benzene are:
(i) \[\ce{SnCl2/HCl}\]
(ii) \[\ce{CH3CH2OH}\]
(iii) \[\ce{H3PO2}\]
(iv) \[\ce{LiAlH4}\]
How will you bring out the following conversion?
How will you carry out the following conversion?
The Gabriels' phthalimide synthesis is used in the synthesis of
Which of the following CANNOT be prepared by ammonolysis of alkyl halide?
Write the name of the product formed by the action of LiAlH4/ether on acetamide.
