Group A
• Amines are derivatives of NH3 replacing hydrogen by alkyl group or aryl group.
• Amines with –NH2 are called 1o amines.
• Amines with –NH- are called 2o amines.
• Amines with –N- are called 3o amines.

 Primary amine (nomenclature)

1. CH3-NH2 Methanamine
2. CH3-CH2-NH2 Ethanamine

CH3
3. CH3-C-CH3 2-Methyl-2-propanamine
NH2
4. CH3-CH-CH2-NH2 2-Methylpropanamine
CH3

 Secondary amine

1. CH3-NH-CH3 N-Methylmethamine
2. CH3-NH-C2H5 N-Methylethanamine
3. CH3-CH-CH3 N-Methylpropanamine
NH-CH3

 Tertiary amine
(CH3)3N N, N-Dimethylmethamine
CH3-N-C2H5 N, N - Dimethylethanamine
CH3


Group B

 These are organic compounds which contain –NH2,
-NH-, -N- groups.
 Depending on the replacement of hydrogen by an alkyl group or aryl group they are classified into 1o, 2o and 3o amines.

Nomenclature

1. CH3-CH-CH2-CH3 2-Butanamine
NH2
2. CH3-NH-CH2-CH2-CH3 N- Methylpropanamine
3. CH3-NH-CH3 N-Methylmethamine
4. C2H5-N-CH2CH2CH2CH3 N,N –Diethylbutan-1-amine
C2H5
5. NH2 -C6H4-CH3 Toludine
6. C6H5-NH2 Aniline
7. C6H5-N-(CH3)2 N,N Diethylbenzanamine





Group C

 Amines are the derivative of NH3. It is having sp3 hybridization and has a pyramidal shape with lone pair on the nitrogen atom.
 When a hydrogen is replaced by an alkyl group then it is called 1o amine
 When 2hydrogen is replaced by 2 alkyl group then they are called 2o amine.


1o amines

1. C2H5-NH2 Ethanamine
2. CH3-CH-CH2-CH3 2-Butanamine
NH2

2o amines
3. (C2H5)2NH N-Ethyl Ethanamine
4. CH3-(CH2)3-NH-CH2-CH3 N-ethyl butanamine
3o amines
5. (CH3)3N N,N –diethyl Methanamine
6. CH3-(CH2)2-N-C2H5 N-Ethyl-N,methyl
CH3 propanamine




Group D

 They are the derivative of ammonia formed by the replacement of hydrogen by the alkyl group.
 Depending upon this they can be classified as 1o, 2o, 3o amines.

1. C2H5-NH2 Ethanamine
2. CH3-CH-(CH2)2-CH3 2-Pentanamine
NH2
CH2-CH2-NH2
3. CH3-CH2-CH-C2H5 3-Ethylpentanamine
4. CH3-NH-CH2-CH3 N-Methylethanamine

NH-CH2-CH3
5. CH3-CH-CH2-CH2-CH3 N- ethyl-pent-2-amine
6. CH3-N-CH2-CH3 N,N-Dimethylethanamine
CH3