GABRIEL PHTHALIMIDE SYNTHESIS

Preparation OF Amine by (1) from Nitrile ,Isonitrile(2)Amides(3)Nitro Compounds || Gabriel's Phthalimide Systhesis OF Amine

Statement 1: Aryl amines cannot be prepared by Gabriel's phthalimide synthesis and Statement 2: Aromatic halides do not give S_(N)2 reactions.

(a) Account for the following : (i) Direct nitration of aniline yields significant amount of meta derivative. (ii) Primary aromatic cannot be prepared by Gabriel phthalimide synthesis. (b) Carry out the following conversions : (i) Ethanoic acid into methanamine. (ii) Aniline to p-Bromoniline. (c) Arrange the following in increasing order of basic strength : Aniline, p-nitroaniline and p-toludine.

Explain the following reactions : (a) Gabriel Phthalimide reaction (b) Coupling reaction

In the Gabriel's phthalimide synthesis, phthalimide is treated first with :

Consider the following conversion : Amongst the following, how many methods can be used in any one of steps involved in the mentioned conversion? i. Hoffmann bromamide degradation ii. Gabriel phthalimide synthesis iii. Sandmeyer reaction iv. Clemmensen reduction v. Mendius reduction