有機(jī)化學(xué)期中考試前2014

1、復(fù)旦大學(xué)環(huán)境科學(xué)與工程系 2014年10月8日烯烴 鍵的加成反應(yīng)Alkene & Addition reactions of bonds 唐 幸 福復(fù)旦大學(xué)2014級(jí)有機(jī)化學(xué) 本節(jié)內(nèi)容 Content1、烯烴的結(jié)構(gòu) Structure of Alkenes2、烯烴的性質(zhì) Reactions of Alkenes3、作業(yè) Work after classsp3 雜化sp3 hybridizationTwo types of bonds鍵構(gòu)象 conformation鍵構(gòu)象 conformationNewmanNewman傘式 鋸架式 紐曼式交叉式構(gòu)象重疊式構(gòu)象傘式，鋸架式與紐曼式的畫法也適合于其

2、它有機(jī)化合物乙烷構(gòu)象 Conformation of ethane丁烷的構(gòu)象 conformation of butane丁烷的構(gòu)象 conformation of butane丁烷的構(gòu)象 conformation of butane甲烷自由基反應(yīng) Free radical reactions自由基反應(yīng)三部曲 (IPT)Three-step feature of free radical reactionsBond-dissociation energyInitiation自由基反應(yīng)三部曲 (IPT)Three-step feature of free radical reactionsPro

3、pagation自由基反應(yīng)三部曲 (IPT)Three-step feature of free radical reactions自由基反應(yīng)三部曲 (IPT)自由基反應(yīng)三部曲 (IPT)Termination自由基反應(yīng)重要步驟選擇性和活化能 Selectivity and activation energy (Ea)sp3 sp2p-超共軛 p- conjugation反應(yīng)的選擇性 selectivity自由基的穩(wěn)定性 stability 本節(jié)內(nèi)容 Content1、烯烴的結(jié)構(gòu) Structure of Alkenes2、烯烴的性質(zhì) Reactions of Alkenes3、作業(yè) Work

4、 after class結(jié)構(gòu) Structure結(jié)構(gòu) Structure結(jié)構(gòu) StructureBond energy of alkeneUnit: kcal mol-1結(jié)構(gòu) Structure烯烴的平面構(gòu)型Planar structure of alkene鍵的異構(gòu)熔點(diǎn)-138.9沸點(diǎn)3.7 熔點(diǎn)-105.5沸點(diǎn)0.9 120 sp2雜化 本節(jié)內(nèi)容 Content1、烯烴的結(jié)構(gòu) Structure of Alkenes2、烯烴的性質(zhì) Addition Reactions of Alkenes3、作業(yè) Work after class復(fù)旦大學(xué)環(huán)境科學(xué)與工程系 2014年10月8日A+BCHDO

5、utline2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions碳正離子的穩(wěn)定性CH2CH2CH3+CH3CHCH3+2、Electrophilic addition reactions碳正離子的穩(wěn)定性2、Electrophilic addition reactions2、Electrophilic addit

6、ion reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions鑒別不飽和鍵2、Electro

7、philic addition reactions2、Electrophilic addition reactionsCH3CHCH3OHCH3CH=CH2CH3CH2CH2OH2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions反馬氏規(guī)則2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions2、Electrophilic addition reactions 本節(jié)內(nèi)容 Content1、烯烴的結(jié)構(gòu) Structure of Alkenes2、烯烴的性質(zhì) Reactions of Alkenes3、作業(yè) Work after class3、Work in class3、 Work after class1、P322 習(xí)題8-102、P324 習(xí)題8-12 (