碳原子的类型 CH一C 2 LIYING 2021/2/10
LIYING 2021/2/10 O O O O 1 2 3 4 C C C C C C CH C C C CH2 C CH3 C 碳原子的类型：
第二节烷烃的命名 普通命名法 甲乙丙丁戊己庚辛壬癸 正、异、新 烷基(R 烷烃分子去掉氢原子后剩下的部分 n112n+1 LIYING 2021/2/10
LIYING 2021/2/10 第二节 烷烃的命名 一、普通命名法、 甲乙丙丁戊己庚辛壬癸 正、异、新 二、烷基（R－） 烷烃分子去掉氢原子后剩下的部分： CnH2n＋1
The Alkyl Groups o Alkyl groups are often represented as-R o The names of alkyl groups are al ways v. o They have the general formula:-Cnl LIYING 2021/2/10
LIYING 2021/2/10 The Alkyl Groups ⚫ Alkyl groups are often represented as -R. ⚫ The names of alkyl groups are always -yl. ⚫ They have the general formula: -CnH2n+1
Common Alkyl Groups (C, through C4) CH CH- CHCH CH3 CH-CH Methyl Butyl CH CH3 CH2 Isobutyl Ethyl (2-Metylpropy CH CH-CH-CH cH2CH2CH一 CH-C Pr。py CH CH CH-CH sec-Butyl tert-Butyl CH (1-Methylpropyl)(1, 1-Dimethylethyl) Isopropyl (1-Methylethyl) LIYING 2021/2/10
LIYING 2021/2/10 Methyl Ethyl Propyl Butyl Isopropyl Isobutyl (1-Methylethyl) (2-Methylpropyl) sec-Butyl (1-Methylpropyl) tert-Butyl (1,1-Dimethylethyl) CH3 CH3 CH2 CH3 CH2 CH2 CH3 CH2 CH2 CH2 CH3 CH CH3 CH3 CH CH2 CH3 CH3 CH2 CH CH3 CH3 C CH3 CH3 Common Alkyl Groups (C1 through C4 )
Common Alkyl groups (Cs and c6) CH3 CH2 CH2 CH2 CH2 CH-CH-CH-CHCH:CH- Pentyl Hexyl CH3 CH-CH2 CH2 CH-CH-CH-CH-CH CH Isopentyl Isohexyl (3-Methylbutyl) (4-MMethylpentyl) CH CH CH-CH-C CH-C-CH CH tert-Pentyl Neopentyl (1, 1-Dimethylpropyl) (2,2-Dimethylpropyl) LIYING 2021/2/10
LIYING 2021/2/10 Common Alkyl Groups (C5 and C6 ) Pentyl Hexyl Isopentyl Isohexyl (3-Methylbutyl) (4-Methylpentyl) tert-Pentyl (1,1-Dimethylpropyl) Neopentyl (2,2-Dimethylpropyl) CH3 CH2 CH2 CH2 CH2 CH3 CH2 CH2 CH2 CH2 CH2 CH3 CH CH2 CH2 CH3 CH3 CH CH2 CH2 CH2 CH3 CH3 CH2 C CH3 CH3 CH3 C CH2 CH3 CH3