VITEEE 2016 Paper

The most widely used method for preparing aromatic amines is the reduction of the nitro group to the amino group. This reduction can be achieved by catalytic hydrogenation, or most frequently with an acid and a metal (Fe, Zn, Sn) or a metal salt like SnCl2

C6H5NO2

Nitrobenzene

H2,catalyst

→

or(i)‌S‌n,HCl,(ii)OH−

C6H5NH2

Aniline