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प्रश्न
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.
विकल्प
Hoffmann Bromamide reaction
Gabriel phthalimide synthesis
Sandmeyer reaction
Reaction with \[\ce{NH3}\]
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उत्तर
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is Gabriel phthalimide synthesis.
Explanation:
Gabriel phthalimide synthesis is used to get primary amine from alkyl halide without any change in number of carbon atoms.
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संबंधित प्रश्न
Write the chemical equation involved in the following reaction:
Hoffmann-bromamide degradation reaction
Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis
Write a short note on the following:
Hoffmann’s bromamide reaction
Give the structure of A, B and C in the following reaction:
\[\ce{CH3CH2Br ->[KCN] A ->[LiAlH4] B ->[HNO2][0^\circ C] C}\]
Identify 'A' and 'B' in the following reaction and rewrite the complete reaction :
Choose the most correct option.
Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent?
Answer the following
Identify A and B in the following reactions.
\[\ce{C6H5CH2Br->[alco.][KCN]A ->[Na/ethanol]B.}\]
Answer the following
Explain Gabriel phthalimide synthesis.
Which of the following amines exhibits maximum degree of intermolecular hydrogen bonding?
\[\ce{CH3-CN ->[Na/C2H5OH]}\]
The product formed is ____________.
Which of the following reagents is used in Hofmann's elimination reaction of amines?
How will you carry out the following conversion?
Assertion: Hoffmann’s bromamide reaction is given by primary amines.
Reason: Primary amines are more basic than secondary amines.
Assertion: Only a small amount of \[\ce{HCl}\] is required in the reduction of nitro compounds with iron scrap and \[\ce{HCl}\] in the presence of steam.
Reason: \[\ce{FeCl2}\] formed gets hydrolysed to release \[\ce{HCl}\] during the reaction.
Which of the following compound is expected to be most basic?
Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?
Which of the following would not be a good choice for reducing nitrobenzene to aniline?
Write a short note on the following:
Ammonolysis
Write a short note on Ammonolysis.
