Page 2 - Microsoft Word - Lesson note-1(Amines)



R NH  CHCl  3KOH  R NC 3KCl 3H O



2
3
2
 reaction with nitrous acid

2 HCl
NaNO
2 H O



R NH  HNO    2 N Cl R OH N  HCl
R
2
2
2
 
NaNO
2 HCl
C H  NH  C H  2 N Cl NaCl 2H O  2
6 5
2
6 5

273 278K

Chemical properties for aromatic amines
(i)bromination

 Nitration:

 Sulphonation:

 Diazonium salt
Preparation:

 Chemical reactions:
 Sadmeyer reaction:

 Gattermann reaction: