金屬卟啉仿生催化烯烴環(huán)氧化的性能及機(jī)理研究的開題報告

金屬卟啉仿生催化烯烴環(huán)氧化的性能及機(jī)理研究的開題報告摘要：隨著環(huán)境污染問題的日益嚴(yán)重，化學(xué)合成方法的發(fā)展也越來越注重環(huán)境友好、效率高、選擇性強(qiáng)的特點(diǎn)。金屬卟啉催化烯烴環(huán)氧化是一種高效、選擇性好、綠色環(huán)保的合成方法。本論文主要研究了金屬卟啉仿生催化烯烴環(huán)氧化的性能與機(jī)理，包括催化劑的合成、表征及性能測試。同時，通過反應(yīng)動力學(xué)和理論計(jì)算方法對催化機(jī)理進(jìn)行了探究。最終得到了一種高效、選擇性好的金屬卟啉催化劑。關(guān)鍵詞：金屬卟啉；仿生催化；烯烴；環(huán)氧化；反應(yīng)機(jī)理Abstract:Withtheincreasinglyseriousenvironmentalpollution,thedevelopmentofchemicalsynthesismethodsalsopaysmoreandmoreattentiontoenvironmentalfriendliness,highefficiency,andstrongselectivity.Metalloporphyrincatalyzedepoxideisahighlyefficient,selective,greenandenvironmentallyfriendlysyntheticmethod.Thisthesismainlystudiestheperformanceandmechanismofmetalloporphyrinbiomimeticcatalyzedepoxidationofolefins,includingthesynthesis,characterizationandperformancetestingofcatalysts.Atthesametime,thecatalyticmechanismwasexploredbyreactionkineticsandtheoreticalcalculationmethods,andahighlyefficientandselectivemetalloporphyrincatalystwasobtained.Keywords:metalloporphyrin;biomimeticcatalysis;olefin;epoxidation;reactionmechanism1.IntroductionMetalloporphyrin,asanimportantcatalyticmaterial,hasbeenwidelyusedinvariousfieldssuchasorganicsynthesis,environmentalprotection,andpharmaceuticalsduetoitsuniqueelectronicstructureandcatalyticactivity.Amongthem,thecatalyticepoxidationofolefinshasreceivedextensiveattention.Inordertofurtherimprovethecatalyticactivityandselectivityofmetalloporphyrinintheepoxidationreaction,researchershavecarriedoutalotofworkonthepreparationofnewcatalystsandtheexplorationofreactionmechanisms.2.ResearchObjectivesThemainobjectivesofthisstudyare:(1)Tosynthesizeandcharacterizeaseriesofmetalloporphyrincatalysts;(2)Toinvestigatetheperformanceofmetalloporphyrincatalystsintheepoxidationofolefins;(3)Toexplorethereactionmechanismsofmetalloporphyrin-catalyzedepoxidationofolefinsbykineticandtheoreticalcalculations.3.ResearchPlanTheresearchplanmainlyincludesthefollowingaspects:(1)Synthesisandcharacterizationofmetalloporphyrincatalysts:ThemetalloporphyrincatalystissynthesizedbyacommonmethodandcharacterizedbyUV-Vis,IR,NMRandMS.(2)Performancetestingofmetalloporphyrincatalysts:Thecatalyticactivityandselectivityofthepreparedcatalystsareevaluatedbyepoxidationofolefins.Theeffectofreactionconditionssuchastemperature,pressure,andreactiontimeonthecatalyticactivityandselectivityisstudied.(3)Kineticandtheoreticalinvestigationofcatalyticmechanisms:Thereactionkineticsofthecatalyticsystemwillbestudiedandthereactionrateconstantswillbedetermined.Thereactionmechanismandrate-determiningstepwillbeanalyzedbytheoreticalcalculations.4.ExpectedResultsItisexpectedthatthroughthisresearch,wecansynthesizemetalloporphyrincatalystswithhighactivityandselectivityintheepoxidationofolefins.Throughtheinvestigationofreactionkineticsandtheoreticalcalculations,thereactionmechanismofthecatalyticsystemcanbeexplained,andacomprehensiveunderstandingofthecatalyticprocessofmetalloporphyrinintheepoxidationofolefinscanbeobtained.Thisstudycanprovideatheoreticalbasisfortheselectiveandefficientsynthesisofepoxidecompoundsbymetalloporphyrincatalysis.5.ConclusionTheresearchontheperformanceandmechanismofmetalloporphyrinbiomimeticcatalyzedepoxidationofolefinsisofgreatsignificanceforthedevelopmentofgreenandefficientcatalytictechnology.Throughsystematicresearch,ahighlyefficientandsele