Advertisements
Advertisements
Question
The source of nitrogen in Gabriel synthesis of amines is ______.
Options
Sodium azide, \[\ce{NaN3}\]
Sodium nitrite, \[\ce{NaNO2}\]
Potassium cyanide, \[\ce{KCN}\]
Potassium phthalimide, \[\ce{C6H4(CO)2N– K+}\]
Advertisements
Solution
The source of nitrogen in Gabriel synthesis of amines is Potassium phthalimide, \[\ce{C6H4(CO)2N– K+}\].
Explanation:
Potassium phthalimide is the source of nitrogen in Gabriel’s synthesis.
APPEARS IN
RELATED QUESTIONS
Identify the compounds 'A' and 'B' in the following equation:
Give the structures of A, B and C in the following reactions :
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.
\[\ce{Nitrobenzene ->[Sn/conc.HCl]?}\]
Acetamide on reduction using Na/C2H5OH gives ____________.
Identify the product obtained when benzyl chloride undergoes ammonolysis in presence of excess ammonia followed by the reaction with two moles of methyl iodide.
Identify the major product (B).
____________ can be prepared exclusively by Gabriel phthalimide synthesis.
The reduction of alkyl cyanide with sodium and ethanol to give primary amines is, ____________.
Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?
Reduction of aromatic nitro compounds using \[\ce{Fe}\] and \[\ce{HCl}\] gives ______.
Match the reactions given in Column I with the statements given in Column II.
| Column I | Column II | ||
| (i) | Ammonolysis | (a) | Amine with lesser number of carbon atoms |
| (ii) | Gabriel phthalimide synthesis | (b) | Detection test for primary amines. |
| (iii) | Hoffmann Bromamide reaction | (c) | Reaction of phthalimide with \[\ce{KOH}\] and \[\ce{R-X}\] |
| (iv) | Carbylamine reaction | (d) | Reaction of alkylhalides with \[\ce{NH3}\] |
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
Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?
- Phenyl methenamine
- N, N - Dimethylaniline
- N - Methyl aniline
- Benzenamine
Choose the correct order of the basic nature of the above amines.
Write the name of the product formed by the action of LiAlH4/ether on acetamide.
Write the name of reduction product formed when ethyl cyanide is treated with sodium and alcohol.
Write a short note on the following:
Ammonolysis
