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प्रश्न
Write reactions to bring about the following conversions.
Acetamide to methylamine
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उत्तर
\[\begin{array}{cc}
\ce{O}\phantom{.............................................................}\\
||\phantom{.............................................................}\\
\ce{\underset{\text{Acetamide}}{CH3 - C - NH2} + Br2 + 4KOH_{(aq)} ->[\Delta]\underset{\text{Methylamine}}{CH3 - NH2} + 2KBr + K2CO3 + 2H2O}\\\end{array}\]
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संबंधित प्रश्न
How are propan-1-amine and propan-2-amine prepared from oxime?
How do you convert the following: C6H5CONH2 to C6H5NH2
How do you convert the following: Ethanenitrile to ethanamine
Give the structures of A, B and C in the following reactions :
Accomplish the following conversion:
Benzamide to toluene
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\[\ce{CH3COOH ->[NH3][\Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\]
Give the structures of A, B and C in the following reaction:
\[\ce{C6H5NO2 ->[Fe/HCl] A ->[HNO2][273 K] B ->[C6H5OH] C}\]
Write the reaction of aromatic primary amine with nitrous acid.
Identify 'A' and 'B' in the following reaction and rewrite the complete reaction :
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Choose the most correct option.
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Answer the following
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Mendius reaction is used to convert _____________
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Explain the following reaction with a suitable example.
Hofmann elimination reaction
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____________ can be prepared exclusively by Gabriel phthalimide synthesis.
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Quaternary ammonium salt is formed:
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Reason (R): Alkyl halides have halogen attached to sp3 hybrid carbon.
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\[\ce{C6H5CH2NH2 + R - X -> C6H5CH2NHR}\]
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Hoffmann Bromamide Degradation reaction is shown by ______.
Which of the following methods of preparation of amines will give same number of carbon atoms in the chain of amines as in the reactant?
Reduction of nitrobenzene by which of the following reagent gives aniline?
(i) \[\ce{Sn/HCl}\]
(ii) \[\ce{Fe/HCl}\]
(iii) \[\ce{H2 - Pd}\]
(iv) \[\ce{Sn/NH4OH}\]
Which of the following reactions are correct?
(i)
(ii)
(iii)
(iv)
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What is the best reagent to convert nitrile to primary amine?
Write following conversions:
acetanilide `->` p-nitroaniline
How will you carry out the following conversion?
Describe Gabriel's phthalimide synthesis. (Give reaction)
Reduction of nitro alkanes yields which compound?
In the given reaction what is the X?
\[\begin{array}{cc}
\ce{O}\phantom{.......................}\\
||\phantom{.......................}\\
\phantom{}\ce{R - C - OH <-[H3O] Χ ->[H] RCH2NH2}
\end{array}\]
Which of the following compound is expected to be most basic?
Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?
The amine 'A' when treated with nitrous acid gives yellow oily substance. The amine A is ______.
What is the IUPAC name of \[\ce{(CH3)2 - N - CH3}\]?
Identify the product ‘C’ in the following reaction.
\[\ce{Aniline ->[(CH3CH)2O][Pyridine] A ->[Br2][CH3COOH] B ->[H^+ or OH^-] C}\]
Write the name of the product formed by the action of LiAlH4/ether on acetamide.
Which of the following would not be a good choice for reducing nitrobenzene to aniline?
Write short note on the following:
Ammonolysis
Identify the compo ds A and B in the following reactions:
\[\ce{A ->[Nitrating mixture] B ->[(i) Sn/cone. HCI][(ii) NaOH] Aniline}\]
Write a short note on Ammonolysis.
Write short note on the following.
Ammonolysis.
Write a short note on the following:
Ammonolysis.
