ORGANIC CHEMISTRY Chapter 4 4.4 Nomenclature of Cycloalkanes Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 4.4 Nomenclature of Cycloalkanes
ORGANIC CHEMISTRY Chapter 4 4. 4a Monocyclic Compounds o Cycloalkanes with only one ring are named by attaching the prefix cyclo-to the names of the alkanes possessing the same number of carbon atoms △ Cyclopropane Cyclopentane Cyclohexane 环丙烷 环戊烷 环己烷 Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 4.4A Monocyclic Compounds Cycloalkanes with only one ring are named by attaching the prefix cyclo- to the names of the alkanes possessing the same number of carbon atoms. Cyclopropane Cyclopentane Cyclohexane 环丙烷 环戊烷 环己烷
ORGANIC CHEMISTRY Chapter 4 CH CH,CH CH HOcH Br Br 4-Bromo-2-ethyl-l-methylcyclohexane 1-Bromo-3-ethy l-5-methylcyclohexane 1-甲基2-乙基-4-溴环己烷 1-甲基-3-乙基-5-溴环己烷 OH C 2-Chlorocyclohexanol 2-氯环己醇 Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 4-Bromo-2-ethyl-1-methylcyclohexane CH3 CH2CH3 Br 1-甲基-2-乙基-4-溴环己烷 CH2CH3 Br CH3 1-Bromo-3-ethyl-5-methylcyclohexane 1-甲基-3-乙基-5-溴环己烷 OH Cl 2-Chlorocyclohexanol 2-氯环己醇
ORGANIC CHEMISTRY Chapter 4 When a single ring system is attached to a single chain with a greater number of carbon atoms, or when more one ring system is attached to a single chain, then it 1s appropriate to name the compounds as cycloalkylalkanes CHoCHoCHoCH yclopropylbutane 1, 3-Dicyclohexylpropane 1-环丙基丁烷 ,3-二环己基丙烷 Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 When a single ring system is attached to a single chain with a greater number of carbon atoms, or when more one ring system is attached to a single chain, then it is appropriate to name the compounds as cycloalkylalkanes. CH2CH2CH2CH3 1-Cyclopropylbutane 1,3-Dicyclohexylpropane 1-环丙基丁烷 1,3-二环己基丙烷
ORGANIC CHEMISTRY Chapter 4 4.4 b Bridged Hydrocarbons(桥环烃) (a) Bicyclic Compounds o Compounds containing two fused or bridged rings- cycloalkanes Bridgehead One-carbon bridge Bridgehead Bicyclo 2. 2. I heptane Two-carbon bridge 二环22.庚烷 Parent name: the total number of carbon atoms in the rings Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 4.4B Bridged Hydrocarbons (桥环烃) (a) Bicyclic Compounds Compounds containing two fused or bridged rings — bicycloalkanes Bridgehead Bridgehead Bridgehead Bridgehead One-carbon bridge One-carbon bridge Bicyclo[2.2.1]heptane Two-carbon bridge Two-carbon bridge 二环[2.2.1]庚烷 Parent name: the total number of carbon atoms in the rings