有机化学发展史.ppt

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1、化学专业英语演讲有机化学发展史Developmentoforganicchemistryanditsimpactonthedevelopmentofscienceandtechnology有机合成的发展及其对科学技术发展的影响Firstpart:AbriefhistoryPhaseOne:Infancy(Early19thcentury---1858)Chemicaldevelopmentofthisperiodisthebasisforthedevelopmentoforganicchemistry. Lavoisierisknownast

2、hefatherofmodernchemistry.PhaseTwo:ClassicPeriod(1858--1916)Duringthisperiodtheemergenceofalargenumberofwell-knownorganicchemist.FigurecharacterisafamousorganicchemistKekuleandVan'tHoff.PhaseIII:ModernAgeOrganicChemistry(1916todate)Thisisthetheoreticalbasisoforganicchemistr

3、ymoreperfecttime.ThemostfamousorganicchemistisWoodwardinthisperiod,hewasknownasthefatherofmodernorganicchemistry.Secondpart:AdvancesinOrganicSynthesisOrganicChemistryisaveryimportantchemicalsciencesinthetwodisciplines,ismostcloselyassociatedwiththechemicalbranchofhumanlife,

4、itsdevelopmentandthedevelopmentofhumansocietyarecloselyrelated.Reactionsandsynthesismetalparticipating①CHbondactivationInadditiontopalladiumandotherpreciousmetalsrhodiumcatalyzedcarbon-hydrogenbondactivation【1,2,3】,theuseofrelativelyinexpensivecopper,ironandothermetalstoach

5、ievecarbon-hydrogenbondactivationhasalsobeenagreatconcern.SuchasNJiao【4】realizedcopper-catalyzedanilineorthoCHbondactivationtointroduceanazidegroup.②ThecoupledreactionLLiubycopper-catalyzedrealizedanalkylhalidethecouplingreactionwithsecondaryalkylhalidesandGrignardreagent【5

6、】.③Metal-catalyzedasymmetricsynthesisreactionChiralnitrogenoxidesmetalcomplexXMFengdevelopmentintheunsaturatedketonechloraminereaction【6】,aketoneα-Diazoamideselectrophilicadditionreaction【7】,asymmetricBaeyerVilligeroxidationreaction【8】,arereflectedinveryexcellentchoice.(2)R

7、eactionsandsynthesisofnon-metallicparticipationThechemistsofourcountry’sfasttrack,therehavebeennewresultswerepublished【9,10】,suchasSYie【11】reportedthatcinchonaalkaloidscatalyzedα,β-unsaturatedacidchlorideazodicarboxylateandthereactioncanbeachievedγ-amination.Thirdpart:Organ

8、icsynthesisoftechnologicaldevelopmentWiththecontinuousdevelopmentofscienceandtechn