1、THEME：MScDissertationSYNTHESIS，STRUCTURALCHARACTERIZATIoNANDCATAI』YTICPROPERTIESOFIRON』vHETEROCYCLICCARBENECOMPLEXESCandidate：YinZhangSupervisor：WanzhiChenZhejiangUniversityHangzhou，PRChina，310027March，2012浙江大學碩士學位論文Abst

2、ractNHeterocycliccarbenesNHCarestablesingletcarbenesthatcanactasexcellenttwoelectrondonorligandstowardsalmostanyelementintheperiodictableTransitionmetalcomplexesofNHCshavebeenextensivelystudiedinhomogeneouslycatalyticrea

3、ctionsespeciallyincross—couplingreactionsIronhasmuchresearchpotentialduetoitslowpriceandnontoxicitycomparedwithcommonlyusedpreciousmetalsIronNHCcomplexeswouldofferopportunitiestostudytheircatalyticapplicationinorganicrea

4、ctionThedissertationdescribesthesynthesis，structuresandcatalyticproperties：(I)Iron—NHCcomplex[Fe(L)2(CH3CN)2】2(LNpyrimid一2一ylimidazolylidene)waspreparedfromthereactionofAg—Npyrimid一2一ylimidazolylidenecomplexwithironpowde

5、rReactionsof[Fe(L)2(CH3CN)2]2withvariousN一，P一，O，andSdonorshavebeeninvestigatedReplacementofthelabileacetonitrileledtotheisolationofvariousiron—NHCcomplexescontainingadditionalN一，P一，0一，andSligandsAlltheiron—NHCcomplexesha

6、vebeenfullycharacterized[Fe(L)2(CH3CN)2】2canefficientlycatalyzethecouplingreactionofvariousGrignardreagentswithheteroarylbromidesorchlorides(II)IronNHCcomplexes[Fe(L)2】2(L3一(1，10一phenanthrolin2y1)一1methylimidazolylidene，

7、3一(1，10phenanthrolin一2一y1)1一mesitylimidazolylideneand3一(2，2bypridin6y1)1methylimidazolylidenehavebeensynthesizedandfullycharacterizedbyNMR，elementalanalysis，andXraycrystallographyAllthecomplexescontainoneironandtwoNHClig