介孔材料上离子液体固载型手性催化剂研究的中期报告Abstract:Thisreportsummarizestheprogressmadehalfwaythroughtheresearchonchiralcatalystssupportedonmesoporousmaterialswithimmobilizedionicliquids.Thereportcoversthebackgroundandmotivationfortheresearch,themethodologyused,andtheresultsobtainedsofar.Italsodiscussesthechallengesencounteredandtheplanforfutureresearch.Background:Chiralcatalystshavebeenextensivelystudiedduetotheirabilitytoselectivelycatalyzeenantioselectivereactions.Chiralligands,suchasaminoacidsandchiralphosphineligands,havebeenwidelyusedinasymmetriccatalysis.However,theseligandssufferfromlimitationssuchassensitivitytomoisture,lowstability,andlowactivity.Therefore,itisnecessarytofindalternativechiralcatalyststhatcanovercometheselimitations.Ionicliquidshaveattractedconsiderableattentionassolventandcatalystmediabecauseoftheiruniquepropertiessuchaslowvolatility,thermalstability,andhighpolarity.Thecombinationofionicliquidsandmesoporousmaterialshasbeenextensivelyexploredinvariouscatalyticapplications,includingasymmetriccatalysis.Methodology:Theresearchfocusesontheimmobilizationofionicliquidsonmesoporousmaterialsandtheiruseasasupportforchiralcatalysts.ThesupportmaterialchosenisSBA-15,amesoporoussilicamaterialwithhighsurfaceareaandporesize.ThefirststepinvolvedthesynthesisofSBA-15usingasol-gelmethod.TheresultingmaterialwascharacterizedusingvarioustechniquessuchasXRD,SEM,andBET.TheSBA-15wasthenmodifiedwithorganosilanestointroducefunctionalgroupsonthesurface.Ionicliquidswerethenimmobilizedonthemodifiedmesoporousmaterial,andtheresultingmaterialwascharacterizedusingFTIR,TGA,andNMR.Thechiralcatalystwasthensynthesizedusingstandardmethodsandimmobilizedontheionicliquid-modifiedSBA-15.Results:ThesynthesisofSBA-15wassuccessful,andthematerialwascharacterizedusingvarioustechniques.ThesurfacemodificationofSBA-15wasalsosuccessful.TheimmobilizationofionicliquidsonthemodifiedSBA-15wasconfirmedusingFTIR,TGA,andNMR.Thesynthesizedchiralcatalystwassuccessfullyimmobilizedontheionicliquid-modifiedSBA-