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Development of Highly Effective Nanoparticle Spinel Catalysts for Aerobic Oxidation of Benzylic Alcohols 总被引:2,自引:0,他引:2
Selectiveoxidationofalcoholshasbeenwidelystud iedduetoitsimportanceinmanyorganicsyntheses .1 7Howtomakemoreeffective ,cheap ,easilyaccessibleandenvironmentallybenigncatalystsismatterofwideinter est .Itiswellknownthatspinel type (AB2 O4 )ofcom plexoxidescanbeapp… 相似文献
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EfectofSteamontheOxidativeCouplingofMethaneoverLa┐BaSystemCatalysts**SupportedbytheNationalNaturalScienceFoundationofChina.**... 相似文献
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HydrofiningcatalystscontainMn Ni,Ni Mo ,Ni W ,Co Mo ,Mo ,W ,Ni,Co ,etcandmanystudiesofthesecatalystsareconcernedwiththead ditionofphosphorusorcompoundscontainingphos phorustogiveNi Mo P ,W Ni P ,Mo P ,Ni P ,W P ,Co Mo P ,NiPS3,andMo Ni W P[1 ,2 ] .Theef fectofaddingphosphorusor… 相似文献
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Homogeneouscatalysisoffersmanyadvantagesoverheterogenouscatalysiswithrespecttoactivity ,selectivi ty ,flexibilityofoperation .However ,thecontinuouscat alystconsumption ,catalystremovalfromtheproductsandcatalystdisposalhavestilltobeimproved .Anat tractiveap… 相似文献
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IntroductionBecausethepolynuclearcomplexes ,consistingofaromaticmulti carboxylicacidandtransitionmetal,haveavarietyofpossibleapplicationsrangingfromfineretar dantstocatalysts ,andpotentiallyvaluablepropertiesreminiscentofzeolites ,thestudyonthemhasbeenan… 相似文献
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还原热解催化合成金刚石新法 总被引:2,自引:0,他引:2
SyntheticDiamondfromaNovelReduction┐Pyrolysis┐CatalystRoute1.论文名称AReduction-Pyrolysis-CatalystSynthesisofDiamond2.发表刊物Science... 相似文献
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《高等学校化学研究》1994,(2)
TheReactionsBetweenHalidesandAlcoholsinthePresenceofPhaseTransferCatalystsWithoutAnyBaseJIANGYu-lin;YUANYun-cheng;andWUBao-qi... 相似文献
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IntroductionMaterialsbasedoncobaltoxideshaveattractedagreatinterestinviewoftheirpotentialapplicationsinscientificandtechnologicalfields .1Theyhavebeenusedfortheproductionofsolid statesensors ,2 heterogeneouscatalysts ,3electrochromicdevices (ECDs) 4andasinte… 相似文献
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Ferricoxide(αFe2O3),chromicoxide(αCr2O3)andtheirmixedcompoundshaveimportantapplicationinmanyfields.Forinstance,theycanbeusedascatalystsforhightemperaturewatergasshiftreaction[1]andreductionofNOxbyNH3[2],asrefractorymaterials[3]andsensingmaterials[4,5],andsoon.Sinc… 相似文献
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Incomparisonwiththealuminumanalogues,boroncontainingMFItypezeolitehasbeenexpectedtohavemilderacidicpropertiesandspecificcatalyticperformance.Uptonow,muchworkhasbeendoneinthisaspect[1—5],includingsynthesis,structuralcharacterizationandcatalysis,etc.Therear… 相似文献
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《高等学校化学研究》1999,(3)
IntroductionSchiffbase-transitionmetalcomplexescanbeusedashomogeneouscatalystsinasymmetricorganicsynthesis,suchasthesynthesisofchiralα-cyanohydrin,cyclopropaneorepoxidescompounds[1—3],furthermore,ithasbeenfoundthatthesecomplexeswerefoundtobeassociate… 相似文献
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ZHANG Yu Hua a WU Shu Lin a LI Qing Shan a SONG Cui Ping a YIN Yuan Qi a② HUANG Xiao Ying b a 《结构化学》2000,(1)
1 INTRODUCTIONInthedevelopmentoftransitionmetalclusters,agreatmanytetrahedron-typechiralclustershavebeensynthesized.Oneimportantreasonisthatsuchclusterscanbepotentiallyusedasasymmetriccatalystsintheprocesswhichistrulycluster-cat-alyzed〔1,2〕.However,t… 相似文献
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Dendrimersarehighlybranchedmacromoleculesthathavepreciselydefinedmolecularstructureswithnano scalesize .SincethepioneeringworkofvanKotenetal.reportedin 1994 ,1dendriticcatalystshavebecomeasub jectofintensiveresearch .2 ,3 Althoughanumberofden driticcatalystsha… 相似文献
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IntroductionDinuclearcomplexesofsilver(I)havebeenexten sivelystudied ,1owingtotheirimportanceascatalystsandtransferreagents.2 AromaticN heterocycleshavebeenprovedtobesuitableligandsincoordinationchemistry .3Thetriazolederivatives ,forinstance ,havebeenwidely… 相似文献
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TheactivityofFe(naph)2Al(iBu)3CH2CHCH2Clcatalystishighinbutadienepolymerizationwithhydrogenatedgasolineassolvent[1].Thekineticsofthecatalysthasbeenstudiedasahomogeneouscatalyticsystem[2].However,thepreparativemethodsofthecatalystincludingratioandaddingordero… 相似文献
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1 INTRODUCTIONCyclenderivativescontainingfourneutralpendentgroupsareeffectiveligandsforlanthanideandtransitionmetalions〔1~4〕.TheycanbeusedascatalystsforRNAtransesterification〔5〕orforcleavageofphosphateesters〔6〕orphosphoricanhydride〔7〕.Someofthemhaveb… 相似文献
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Squareplanarcisdicarbonylrhodiumcomplex,aprecursorofcatalyticallyactivecompoundincatalyticreaction,isatypicalkindofcatalyst[1].Itisusuallyunstable.Forexample,withoutefficientprotectionofCOandhightemperature,diiododicarbonylrhodium,aneffectivecatalystforth… 相似文献