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ID:37576958
大小:2.15 MB
页数:41页
时间:2019-05-25
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1、ReviewsA.S.K.HashmiandG.J.HutchingsDOI:10.1002/anie.200602454GoldCatalysisGoldCatalysis**A.StephenK.Hashmi*andGrahamJ.Hutchings*Keywords:gold·heterogeneouscatalysis·homogeneouscatalysis·promoters·supportsAngewandteChemie7896www.angewandte.org2006Wiley-VCHVerlagGmbH&Co.KGaA,We
2、inheimAngew.Chem.Int.Ed.2006,45,7896–7936AngewandteGoldCatalysisChemieCatalysisbygoldhasrapidlybecomeahottopicinchemistry,withaFromtheContentsnewdiscoverybeingmadealmosteveryweek.Goldisequallyeffective1.Introduction7897asaheterogeneousorahomogeneouscatalystandinthisReviewweatt
3、empttomarrythesetwofacetstodemonstratethisnewfoundand2.Hydrogenation7898generalefficacyofgold.Thelatestdiscoveriesareplacedwithinahistoricalcontext,butthemainthrustistohighlightthenewcatalytic3.ReactionsInvolvingCarbonpossibilitiesthatgold-catalyzedreactionscurrentlyofferthesy
4、ntheticMonoxide7903chemist,inparticularinredoxreactionsandnucleophilicadditionsto4.SelectiveOxidation7912psystems.Indeedgoldhasprovedtobeaneffectivecatalystformanyreactionsforwhichacatalysthadnotbeenpreviouslyidentified,and5.NucleophilicAdditionstomanynewdiscoveriesarestillexp
5、ected.pSystems79166.ConclusionandFuturePerspectives79291.Introductionfromalkynestoolefinsforboththeintramolecularadditions[13]ofalcoholsandtheintermolecularadditionofarenes.Goldhasarichcoordinationandorganometallicchemis-SubsequentstudiesbyYangandHeinvestigatedintermolec-[1][1
6、4]try,butwasconsideredtobecatalyticallyinactiveforalongularreactionsofalkeneswithOnucleophilesandprovided[2]time.However,earlyandscatteredreportsontheuseofevidencethatthereactionswithelectron-richarenespro-[15]goldasacatalystexisted,butnoneoftheseshowedittobeceededbyaninitiala
7、ctivationofanaryl-CHbond.The[3]superiortoothercatalysts.Thischangedin1973whenBondotherdevelopmentinitiatedin2000byHashmietal.wasthe[4][16]etal.reportedthehydrogenationofolefinsoversupportedgold-catalyzedisomerizationofw-alkynylfurans,whichgoldcatalysts.Morethanadecadelater,Ha
8、rutaandHutch-possessanenynesubstructure,tophenols.Echavarrena
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