厦门大学化学化工学院：《有机化学》课程教学资源（课件讲稿，双语版）第五章 烯烃 Alkenes 5.1 烯烃的结构 Structure of Alkenes 5.2 烯烃的命名 Nomenclature of Alkenes

第五章烯烃 H Alkenes CH H H H2C H 泌 H3C CH

第五章 烯 烃 Alkenes

Alkenes Q Alkenes are hydrocarbons that contain a carbon-carbon double bond functional group n The word olefin is often used as synonym in the chemical literature but alkene is the generally preferred term 已|■ Alkenes occur abundantly in nature,and many have important biological roles

Organic Chemistry Organic Chemistry Xiamen Xiamen University University A l kene s „ Alkenes are hydrocarbons that contain a carbon-carbon double bond functional group. „ The word olefin is often used as synonym in the chemical literature, but alkene is the generally preferred term. „ Alkenes occur abundantly in nature, and many have important biological roles

H H H 乙烯 α-蒎烯 Ethlyene a-Pinene ①D β-胡萝卜素 ⑨D β- Carotene

Organic Chemistry Organic Chemistry Xiamen Xiamen University University C C H H H H 乙烯 α−蒎烯 β−胡萝卜素 E thlyene α-Pinene β-Caro tene

51烯烃的结构 Structure of alkenes

Organic Chemistry Organic Chemistry Xiamen Xiamen University University 5.1 烯 烃的结构 Structure of Alkenes

0 093 烯烃的结构特征 sp2杂化 π-键 C=C键长比CC短 存在顺反异构

Organic Chemistry Organic Chemistry Xiamen Xiamen University University 烯烃的结构特征 „ sp 2杂化 „ π - 键 „ C=C键长比 C — C 短 „ 存在顺反异构