试比较下列烯烃的稳定性请说明原理.
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解决时间 2021-08-16 12:48
- 提问者网友：自食苦果
- 2021-08-16 07:54
试比较下列烯烃的稳定性请说明原理.
最佳答案
- 五星知识达人网友：执傲
- 2021-08-16 08:29
烯烃取代基越多越稳定：b>c>a Stability:There are 3 factors that influence alkene stability:1.Degree of substitution:more highly alkylated alkenes are more stable,so tetra > tri > di > mono-substituted.烷基取代基越多越稳定：四取代>三取代>二取代>单取代.2.Stereochemistry:trans > cis due to reduced steric interactions when R groups are on opposite sides of the double bond.反式>顺式.3.Conjugated alkenes are more stable than isolated alkenes.共轭>不共轭.======以下答案可供参考======供参考答案1:c>b>a
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