ORGANIC CHEMISTRY Chapter 2 g amines may be considered as organic derivatives of ammonia H H-N-H R-N-H C6Hs CH2 CHCH3 H2NCH CH2CH2CH2NH2 Ammonia An amine Amphetamine Putrescine 安非他命 腐胺 o Amines are classified as primary, secondary,or tertiary amines- based on the number of organic groups that are attached to the nitrogen atom H R R-N-H R-N-H R-N-R A primary amine A secondary amine a tertiary amine 伯胺,一级胺 仲胺,二级胺 叔胺,三级胺 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 2 Amines may be considered as organic derivatives of ammonia. H N H H R N H H C6H5CH2CHCH3 NH2 H2NCH2CH2CH2CH2NH2 Ammonia An amine Amphentamine 安非他命 Putrescine 腐胺 Amines are classified as primary, secondary, or tertiary amines — based on the number of organic groups that are attached to the nitrogen atom. R N H R' R N H H R N R" R' A primary amine A secondary amine A tertiary amine 伯胺，一级胺 仲胺，二级胺 叔胺，三级胺