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Amines. Nomenclature. 1- Primary Amines (CH 3 -NH 2 ) Nitrogen attached to one carbon Ends with the word Amine Example : 2-propanamine cyclohexamine. 2- Secondary amines (CH 3 -NH-CH 3 ) Nitrogen attached to two carbons Ends with the word Amine
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Nomenclature • 1- Primary Amines (CH3-NH2) Nitrogenattachedtoonecarbon • Endswiththeword Amine Example: 2-propanamine cyclohexamine
2- Secondary amines (CH3-NH-CH3) Nitrogenattachedtotwocarbons • Endswiththeword Amine • Use anupper case N todesignatethatthesecondalkylgroupisonthenitrogenatom Example N-methyl- 1- propanamine
CH3 • 3- Tertiary amines (CH3-N-CH3) Nitrogenattachedtothreecarbons • Namedthesameway as secondary amines Example N, N,-dimethylethanamine
Ifthe amine groupdoesnothavepriority in themolecule… • 1- carboxyicacids • 2- • 7- Aldehydes • 8- Ketones • 9- Alcohols • 10- • 11- Amines • 14- Alkenes • 15- Alkynes • 16- • 18- Alkanes • Ifitis a substituent, use theword “amino” • Example: 4-amino-2-pentanol 6-amino-4-oxohexanoic acid
Exercises • N, N, diethyl-2-butanamine • 2-butanamine • 3-methyl-3-pentanamine • N-methyl-Nethylbenzenamine • 4-chlorobenzenamine • N-methyl-2,3-dimethyl benzenamine • N, N-dimethyl-3-pentenamine • N-methyl-3-bromobenzenamine