Advertisements
Advertisements
Question
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.
Options
Hoffmann Bromamide reaction
Gabriel phthalimide synthesis
Sandmeyer reaction
Reaction with \[\ce{NH3}\]
Advertisements
Solution
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is Gabriel phthalimide synthesis.
Explanation:
Gabriel phthalimide synthesis is used to get primary amine from alkyl halide without any change in number of carbon atoms.

APPEARS IN
RELATED QUESTIONS
Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis
Write a short note on the following:
Hoffmann’s bromamide reaction
Accomplish the following conversion:
Benzyl chloride to 2-phenylethanamine
Arrange the following in the increasing order of their pKb values:
C6H5NH2, C2H5NH2, C6H5NHCH3
Answer in one sentence.
Which amide does produce ethanamine by Hofmann bromamide degradation reaction?
Answer the following
Explain Gabriel phthalimide synthesis.
Write reactions for the preparation of ethanamine using Gabriel phthalimide synthesis.
Acetamide on reduction using Na/C2H5OH gives ____________.
Identify the INCORRECT statement regarding Hofmann bromamide reaction.
Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?
Identify product B in the following reaction.
\[\ce{Aniline ->[NaNO2][HCl] A ->[KI] B}\]
Which of the following compounds is obtained when quaternary ammonium hydroxide is strongly heated?
For producing amines, the reaction of nitro compounds with iron scrap is preferred because:
The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is ______.
Which of the following amines can be prepared by Gabriel synthesis.
(i) Isobutyl amine
(ii) 2-Phenylethylamine
(iii) N-methylbenzylamine
(iv) Aniline
How will you carry out the following conversion?

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
Which of the following statement(s) is/are incorrect in case of Hofmann bromamide degradation?
Identify the product ‘C’ in the following reaction.
\[\ce{Aniline ->[(CH3CH)2O][Pyridine] A ->[Br2][CH3COOH] B ->[H^+ or OH^-] C}\]
