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金属卟啉仿生催化烯烃环氧化的性能及机理研究的开题报告 摘要: 随着环境污染问题的日益严重,化学合成方法的发展也越来越注重环境友好、效率高、选择性强的特点。金属卟啉催化烯烃环氧化是一种高效、选择性好、绿色环保的合成方法。本论文主要研究了金属卟啉仿生催化烯烃环氧化的性能与机理,包括催化剂的合成、表征及性能测试。同时,通过反应动力学和理论计算方法对催化机理进行了探究。最终得到了一种高效、选择性好的金属卟啉催化剂。 关键词:金属卟啉;仿生催化;烯烃;环氧化;反应机理 Abstract: Withtheincreasinglyseriousenvironmentalpollution,thedevelopmentofchemicalsynthesismethodsalsopaysmoreandmoreattentiontoenvironmentalfriendliness,highefficiency,andstrongselectivity.Metalloporphyrincatalyzedepoxideisahighlyefficient,selective,greenandenvironmentallyfriendlysyntheticmethod.Thisthesismainlystudiestheperformanceandmechanismofmetalloporphyrinbiomimeticcatalyzedepoxidationofolefins,includingthesynthesis,characterizationandperformancetestingofcatalysts.Atthesametime,thecatalyticmechanismwasexploredbyreactionkineticsandtheoreticalcalculationmethods,andahighlyefficientandselectivemetalloporphyrincatalystwasobtained. Keywords:metalloporphyrin;biomimeticcatalysis;olefin;epoxidation;reactionmechanism 1.Introduction Metalloporphyrin,asanimportantcatalyticmaterial,hasbeenwidelyusedinvariousfieldssuchasorganicsynthesis,environmentalprotection,andpharmaceuticalsduetoitsuniqueelectronicstructureandcatalyticactivity.Amongthem,thecatalyticepoxidationofolefinshasreceivedextensiveattention.Inordertofurtherimprovethecatalyticactivityandselectivityofmetalloporphyrinintheepoxidationreaction,researchershavecarriedoutalotofworkonthepreparationofnewcatalystsandtheexplorationofreactionmechanisms. 2.ResearchObjectives Themainobjectivesofthisstudyare: (1)Tosynthesizeandcharacterizeaseriesofmetalloporphyrincatalysts; (2)Toinvestigatetheperformanceofmetalloporphyrincatalystsintheepoxidationofolefins; (3)Toexplorethereactionmechanismsofmetalloporphyrin-catalyzedepoxidationofolefinsbykineticandtheoreticalcalculations. 3.ResearchPlan Theresearchplanmainlyincludesthefollowingaspects: (1)Synthesisandcharacterizationofmetalloporphyrincatalysts:ThemetalloporphyrincatalystissynthesizedbyacommonmethodandcharacterizedbyUV-Vis,IR,NMRandMS. (2)Performance