3 2 1 (not 3,5-dimethylhexane) 2-14 Nomenclature - I??UPAC 6. If there are two or more different substituents, ? list them in alphabetical order ? number from the end of the chain that gives the substituent encountered first the lower number ...
3-ethyl-2,5-dimethylhexane 总目录 2,8-二甲基-4-乙基壬烷 4-ethyl-2,8-dimethylnonane 总目录 c.如果含有几个不同的取代基时,按照“次序规则(sequence rule) ”(中国化学会《有机化学命名原则》规定),“较优”基团写在后面,而简单基团写在前面。 次序规则是为了表达某些有机化合物的立体化学关系,需决定...
烷烃的通式：CnH2n+2 二、同分异构体 正丁烷 异丁烷 分子式相同，结构不同的化合物为同分异构体——同分异构体 分子式相同，碳干构造不同——碳干异构(constitutionalisomerism)同分异构体的书写方法（有3点，自学）三、构造式的书写构造式：简式：键线式（骨架式）：端点和拐点为碳原子，氢省略 四、碳...
3 Section1 MolecularStructureofAlkane 4 Ⅰ.Chemicalboneofalkane Thesimplestofthealkaneismethane,CH4.5 CH4 planarsquare tetrahedron 6 CH4isasymmetricalmolecule.FourCHbondsareequal.7 Celectronicconfiguration 8 ForCH4wehavejustwhatweneedinthe2s,2px,2py,and2pzatomicorbitals.Wecombinetheseorbitalstoproducefour...
Use Newman projection, anddraw all the possible staggered and eclipsed conformers that result from rotation about the C-2, C-3 bond of 2,3-dimethylhexane. Which one of these is themost stable? Use the conformation shown above to answer the following question. What is the spatial relat...
3.对于构造异构体,则使用“正”、“异”、“新”等表示 3、开链烷烃的命名 普通命名法的局限 CH 3 CH 2 CH 2 CH 2 CH 2 CH 3 hexane CH 3 CH 3 —C—CH 2 CH 3 CH 3 neohexane CH 3 CHCH 2 CH 2 CH 3 CH 3 isohexane CH 3 CH 2 CHCH 2 CH 3 CH 3 none CH 3 CH—CHCH 3 CH...
CH3CH2CHCH2CH2CHCH2CH3 CH2CH3 3-甲基-6-乙基辛烷 6-ethyl-3-methyloctane 5 7 8 6 4 2 3 1 1 3 6 7 8 2 4 5 2,7−二甲基−4−仲丁基辛烷 2,7−二甲基−4−(1−甲基丙基)辛烷 2,7−二甲基−4−(2−丁基)辛烷 4-sec-butyl-2,7-dimethyloctane ...
Give IUPAC name for the following compounds: 2,2,5-Trimethylhexane 1-Isopropyl-2-methylcyclohexane 2. Draw structures corresponding to the following IUPAC name: 3-Ethyl-4,4-dimethylheptane Exercise Cis-Trans Isomerism (顺反异构) in Cycloalkanes The common ring size (C3 , C4 , C5, , C6 ,...
Draw the lowest-energy and highest-energy Newman Projection for the C3-C4 bond of 2,7-dimethyloctane. Draw a Fisher projection D-Fructose and Hawthorn perspective for \alpha -D - fructofuranose. Draw a free-body diagram of...
序。2,3,5-三甲基己烷三甲基己烷2,3,5-trimethylhexane总目录总目录2,5-二甲基二甲基-3-乙基己烷乙基己烷3-ethyl-2,5-dimethylhexane总目录总目录2,8-二甲基二甲基-4-乙基壬烷乙基壬烷4-ethyl-2,8-dimethylnonane总目录总目录c.如果含有几个不同的取代基时,按照如果含有几个不同的取代基时,按照“次序...