N-雜環(huán)卡賓鈀絡合物的合成及在C-C、C-N偶聯(lián)反應中的應用.pdf

1、Y996222學拉編號l0394#2003416圖書類福建師范大學碩士學位論文N壕環(huán)卡賓鈀絡合物的合成及在CC、CN偶聯(lián)反應中的應用SynthesisofN—heterocyclicCarbenePalladiumComplexesandApplicationinCross—CouplingoftC、CN學科專業(yè)研究方向論文指導導師申請學位級別曹新華——曲—理—坐—芏一——J董L韭—絲—芏—一施繼成教授鄭璜教授理學碩士論文提交日期答辯委

2、員會席學位授予單位學位授予日期——』嫂壁L￡且一——上蛆壁LLL—J越剃韭碰攔一——』∞i￡』—Li氣l福建師范火學曹新華碩士學位論文AbstractNheterocycliccarbene(NHC)andNheterocycliccarbenemetalcomplexesshowsexcellentcatalyticactivityinthefieldofmanycatalysisreactionsItisknownthatthech

3、emistryoftheNheterocycliccarbenesandtheirtransitionmetalcomplexesisoneofthehotesttopicsinthemoderncoordinationchemistryandhomogeneouscatalysisThispapermainlycontainsthreeparts：Partone：Synthesisandcharacterizationofnewtyp

4、eNheterocycliccarbenepalladiumcomplexesTwonewtypeNheterocycliccarbenepalladiumcomplexes(3a，3b)weresynthesizedfromN，N—dimethylbenzylamineeasyavailablethoughimprovedmethodandcharacterizedbyNMR、MS、IR，atthesametimethestructu

5、reof3awasconfirmedbyX—rayanalysisCharacterizationresultsshewthechemicalbondWasexistedbetweencarbeneCandPd，atthesametimethecoordinationbondofPdandNatomofN，N—dimethylbenzylamineParttwo：newtypeNheterocycliccarbenepalladiumc

6、omplexesapplicationinBuchwaldHartwigcross—couplingreactionCatalyticBuchwaldHartwigcrosscouplingofarylhalideswithaminesandnitrogen—containingreagentshadbeensuccessfullyperformedbythecarbenepalladiumcomplexesUndertheoptimi

7、zedreactionconditionsof3aascatalyst，NaOtBuasbase，1，4dioxaneassolventStudyingresultsindicatedthatthenearlyreasonableisolatedyieldswereobtainedintheBuchwaldHartwigCrosscouplingwithhighefficiencyinthepresentofcarbeneThemeth

8、odhadshownhighcatalyticactivitymoderatereactionconditions，alialedosagecatalyst(12m01％)andnoundesireddehalogenationbyproductsandpalladiumblackTheancillaryligandssurroundingpalladiumallowedforchangesincatalyticperformanceP

9、artthree：newtypeNheterocycliccarbenepalladiumcomplexesapplicationinSuzukiMiyauracross—couplingreactionWeinvestigatedthatNheterocycliccarbenepalladiumcomplexeswasappliedinSuzuki—MiyauraCrosscouplingandoptimizedreactioncon