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प्रश्न
Write reactions to bring about the following conversions.
Acetamide to Ethylamine
उत्तर
\[\begin{array}{cc}
\ce{O}\phantom{.......................................}\\
||\phantom{.......................................}\\
\ce{\underset{\text{Acetamide}}{CH3 - C - NH2} + 4[H] ->[LiAlH4/ether][or Na/C2H5OH] \underset{\text{Ethylamine}}{CH3 - CH2 - NH2}}
\end{array}\]
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संबंधित प्रश्न
How do you convert the following: Ethanenitrile to ethanamine
Write a short note on the following:
Hoffmann’s bromamide reaction
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Give the structures of A, B and C in the following reaction:
Give the structures of A, B and C in the following reactions:
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Give plausible explanation for each of the following :
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Write structures of compounds A and B in each of the following reactions:
Answer in one sentence.
Which amide does produce ethanamine by Hofmann bromamide degradation reaction?
Answer in one sentence.
Predict the product of the following reaction.
\[\ce{Nitrobenzene ->[Sn/conc.HCl]?}\]
Answer the following
Explain Gabriel phthalimide synthesis.
Write reactions to prepare ethanamine from Acetonitrile.
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Write reactions to bring about the following conversions.
Acetamide to methylamine
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Reason (R): Alkyl halides have halogen attached to sp3 hybrid carbon.
Select the most appropriate answer from the options given below:
In order to prepare a 1° amine from an alkyl halide with simultaneous addition of one \[\ce{CH2}\] group in the carbon chain, the reagent used as source of nitrogen is ______.
Amongst the given set of reactants, the most appropriate for preparing 2° amine is ______.
The best reagent for converting 2–phenylpropanamide into 2-phenylpropanamine is ______.
The reagents that can be used to convert benzenediazonium chloride to benzene are:
(i) \[\ce{SnCl2/HCl}\]
(ii) \[\ce{CH3CH2OH}\]
(iii) \[\ce{H3PO2}\]
(iv) \[\ce{LiAlH4}\]
Which of the following reactions are correct?
(i)
(ii)
(iii)
(iv)
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: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis.
Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
The Gabriels' phthalimide synthesis is used in the synthesis of
A primary amine is formed by an amide on treatment with bromine and alkali. The primary amine has
Ethylamine can be prepared by the action of bromine and caustic potash on which compound?
Reduction of nitro alkanes yields which compound?
Acetamide and ethyl amide can be distinguished by reacting with.
Give reasons for the following:
Ammonolysis of alkyl halides is not a good method to prepare pure primary amines.
Which of the following compound gives pink colour on reaction with phthalic anhydride in cone. H2SO4 followed by treatment with NaOH?
Which of the following amines can be prepared by Gabriel phthalimide reaction?
Which of the following statement(s) is/are incorrect in case of Hofmann bromamide degradation?
Write the name of the product formed by the action of LiAlH4/ether on acetamide.
Identify the compo ds A and B in the following reactions:
\[\ce{A ->[Nitrating mixture] B ->[(i) Sn/cone. HCI][(ii) NaOH] Aniline}\]
Write short note on the following:
Ammonolysis
Write a short note on Ammonolysis.
Write short note on the following:
Ammonolysis
Write a short note on the following:
Ammonolysis.
Write short notes on the following:
Ammonolysis
