Advertisements
Advertisements
प्रश्न
Which of the following amines can be prepared by Gabriel synthesis.
(i) Isobutyl amine
(ii) 2-Phenylethylamine
(iii) N-methylbenzylamine
(iv) Aniline
Advertisements
उत्तर
(i) Isobutyl amine
(ii) 2-Phenylethylamine
Explanation:
Gabriel synthesis is a method for producing primary amines. When phthalimide is treated with ethanolic potassium hydroxide, it forms a potassium salt of phthalimide, which when heated with an alkyl halide and then alkaline hydrolyzed yields the corresponding primary amine.
APPEARS IN
संबंधित प्रश्न
Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis
Give the structures of A, B and C in the following reactions :
Give the structure of A, B and C in the following reaction:
\[\ce{CH3CH2I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH + Br2] C}\]
Give the structure of A, B and C in the following reaction:
\[\ce{CH3CH2Br ->[KCN] A ->[LiAlH4] B ->[HNO2][0^\circ C] C}\]
Explain the mechanism of action of hydroiodic acid on 3-methylbutan-2-ol.
Choose the most correct option.
Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent?
Answer the following
Write a reaction to convert acetic acid into methylamine.
The following amines is the product of Gabriel phthalimide synthesis.
Explain Hoffmann’s exhaustive alkylation with suitable reactions.
What is the molar mass of the amine formed when acetamide undergoes Hofmann bromamide degradation?
Which of the following reactions is appropriate for converting benzamide to aniline?
Which of the following reagents is used in Mendius reduction reaction of alkyl cyanide?
Which of the following reagents is used in Hofmann's elimination reaction of amines?
For producing amines, the reaction of nitro compounds with iron scrap is preferred because:
How will you carry out the following conversions?
Acetamide and ethyl amide can be distinguished by reacting with.
Which of the following would not be a good choice for reducing nitrobenzene to aniline?
Write short note on the following:
Ammonolysis
Write a short note on the following:
Ammonolysis
