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प्रश्न
The best reagent for converting 2–phenylpropanamide into 2-phenylpropanamine is ______.
विकल्प
excess \[\ce{H2}\]
\[\ce{Br2}\] in aqueous \[\ce{NaOH}\]
iodine in the presence of red phosphorus
\[\ce{LiAlH4}\] in ether
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उत्तर
The best reagent for converting 2–phenylpropanamide into 2-phenylpropanamine is \[\ce{LiAlH4}\] in ether.
Explanation:
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संबंधित प्रश्न
Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis
Accomplish the following conversion:
Nitrobenzene to benzoic acid
Give the structure of A, B and C in the following reaction:
\[\ce{C6H5N2Cl ->[CuCN] A ->[H2O/H+] B ->[NH3][\Delta] C}\]
Identify 'A' and 'B' in the following reaction and rewrite the complete reaction :
Give the structures of A, B and C in the following reactions :
Account for the following:
Gabriel phthalimide synthesis is not preferred for preparing aromatic primary amines.
Write reactions to bring about the following conversions.
Acetamide to methylamine
Write reactions for the preparation of ethanamine using Gabriel phthalimide synthesis.
Which of the following amines exhibits maximum degree of intermolecular hydrogen bonding?
Identify 'A' and 'B' in the following conversions.
\[\ce{CH3 - I ->[Alc. KCN][\Delta] A ->[Na/C2H5OH] B}\]
Which of the following reactions does NOT yield an amine?
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 ______.
The source of nitrogen in Gabriel synthesis of amines is ______.
Identify A and B in the following reaction.
In the given reaction what is the X?
\[\begin{array}{cc}
\ce{O}\phantom{.......................}\\
||\phantom{.......................}\\
\phantom{}\ce{R - C - OH <-[H3O] Χ ->[H] RCH2NH2}
\end{array}\]
A compound 'A' on reduction with iron scrap and hydrochloric acid gives compound 'B' with molecular formula C6H7N. Compound 'B' on reaction with CHCl3 and alcoholic KOH produces an obnoxious smell of carbylamine due to the formation of 'C'. Identify 'A', 'B' and 'C' and write the chemical reactions involved.
Amides can be converted into amines by the reaction named ______.
Write short note on the following:
Ammonolysis
Write a short note on the following:
Ammonolysis.
Write a short note on the following:
Ammonolysis
