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प्रश्न
Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis
Write the reactions involved Gabriel phthalimide synthesis
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उत्तर १
उत्तर २
Gabriel Phthalimide Synthesis Used for the preparation of primary amine
Reactions involved in the preparation of primary amine from phthalimide are as follows:
Aromatic primary amines cannot be prepared by this process because aryl halides do not undergo nucleophilic substitution with the anion formed by phthalimide.
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संबंधित प्रश्न
Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?
Which nitrogen containing compound amongst the following would undergo Mendius reduction to furnish primary amine \[\ce{(R - NH2)}\]?
Given below are two statements labelled as Assertion (A) and Reason (R).
Assertion (A): Alkyl halides are insoluble in water.
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 ______.
The source of nitrogen in Gabriel synthesis of amines is ______.
Reduction of aromatic nitro compounds using \[\ce{Fe}\] and \[\ce{HCl}\] gives ______.
Under which of the following reaction conditions, aniline gives p-nitro derivative as the major product?
(i) Acetyl chloride/pyridine followed by reaction with conc.\[\ce{H2SO4 }\] + conc. \[\ce{HNO3}\].
(ii) Acetic anyhdride/pyridine followed by conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].
(iii) Dil. HCl followed by reaction with conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].
(iv) Reaction with conc.\[\ce{HNO3}\] + conc.\[\ce{H2 SO4}\].
What is the product when \[\ce{C6H5CH2NH2}\] reacts with \[\ce{HNO2}\]?
Which of the following compound is expected to be most basic?
Methyl amine on reaction with chloroform in the presence of NaOH gives ______.
