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1.
Thetrimolybdenumclusterswithgeneralformula[Mo3(μ3S)(μS)3(μdtp)(dtp)3L](dtp=(S2P(OC2H5)2)-,L=H2O,py,SC(NH2)2etc.)[1](referredtoasM1type[2]),and[Mo3(μ3S)(μS2)3(dtp)3]X(X=Cl,I)[3](referredtoasM2type),aretwomaintypesoftrimolybdenumclusterseverinvestigatedbyourresearchgroup.Aswehavealready… 相似文献
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CompoundsformedfromCu ,AgandAuwithdithio lateligands ,suchasthedialkyldithiocarbamate (DTC) ,mercaptothiazoline (HMT)anddialkyldithiophosphates(DDP) ,haveplayedanimportantroleintechnology .1Cu(I) Sclustersalsohavebeenimplicatedinbiologyasan ti oxidants .2Thecuban… 相似文献
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IntroductionInthelasttwodecadesintensivestudieshavebeencarriedoutonthemolybdenum (tungsten)chalcogenideclusters ,resultinginthediscoveryofseriesofmonomer ic ,polynuclearMo(W ) andMo(W ) heterometallicco mplexes .Triangular ,cubane ,octahedralaswellashex nuclear… 相似文献
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Itiswellknownthatinnaturetheactivationandreductionofdinitrogeninairtoammoniaarecatalyzedbynitrogenaseatambienttemperatureandpressure.ThemaincomponentsoftheactiveclusterofMoFeproteininnitrogenaseareMcluster(MoFe7S9cluster)andPcluster(Fe8S8cluster)[1].Inthel… 相似文献
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1 INTRODUCTIONCertaincoppercomplexeshavebeenshowntohaveunusualchemicalpropertiessuchasoxygentransfer,oxidativeadditionandhomogenouscatalytichydrogenation[1].Oxidativeadditionreactionsarekeystepsintheactivationofσbondsinagreatnumberofcatalyticprocess.Cop… 相似文献
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1INTRODUCTIONOctacarbonyldicobaltisaveryconvenientstartingmaterialforthepreparationofalmostanycobaltcompound〔1〕.Thereactionso... 相似文献
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1 INTRODUCTIONInoureffortstodevelopthelow-valenceMo-SRcompounds,wehavefoundanMo(0)-compound,〔Mo2(SR)2(CO)8〕2-,whichisobtainedfromthereactionofMo(CO)6withRS-inhighyield,possessesaninterestingtwo-electrontransferproperty.Numerouskindsofdinuclearmolybde… 相似文献
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1 INTRODUCTIONDimolybdenumalkynecomplexes〔Mo2(μR1C≡CR2)(CO)4(η5C5H5)2〕canreactwithavarietyofreagentssuchasphosphines,thiols,elementalsulfur,Ru3(CO)12andCo2(CO)8〔1-4〕.Intheproductsthealkyneligandisusuallyretained.Sometimes,alkynescissionoccurs.Being… 相似文献
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IntroductionResss[1,2]recentstudyresultsshowthattheFeMo-cofactorconsistsoftwocubanefrag-ments[Fe4S3]and[Fe3MoS3]boundbythree... 相似文献
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1 INTRODUCTIONStudiesonMo-S(SR)compoundshavealwaysbeenanactiveresearchareabe-causeoftheexistenceandimportanceofMo-S(SR)bondinginmolybdenumen-zymes〔1〕inbiologicalsystemandthepotentialapplicationtomaterialsandcatalyst〔2〕.Inrecentyears,weareinterestedin… 相似文献
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1 INTRODUCTIONAlthoughthebinuclearoxomolybdenum (V )compoundsofethylenedi aminetetraacetate (EDTA)chelateligandwerewidelystudiedduringlater 50s[1~ 4],thefirstsuchcrystalstructureofpotassiumsaltdidnotappearuntil1 967[5 ],andan otherstructureofsodiumsaltwasreportedi… 相似文献
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IntroductionThesupramolecularcomplexeformedbytheweakinteractions (electrostaticinteraction ,hydrogenbonds ,vanderWaalsforce ,short rangeexclusionforce ,etc .)ofmorethantwosortsofspeciesisanorganizingentitythatusuallypossessesspecialstructureandfunction .1Sup… 相似文献
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IntroductionDuringthepastdecades ,thedevelopmentoftheco ordinationchemistryofmolybdenum(VI)focusedonmet al oxygenclusterscharacterizedbyfascinatingstructural,electrochemical,catalytic ,magnetic ,medicinal,andphotophysicalproperties ,1whichareoffundamentaland… 相似文献
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IntroductionSinceK pfdiscoveredthatdicyclopentadi enyltitaniumdichlorideexhibitedantitumouractionin1979,1alargenumberofcyclopentadienyltitaniumcom plexesbearingdifferentsubstituentshavebeensynthe sized .2 ,3Theexperimentaldatarevealedthat (Cp) 2 TiX2(X =halogen ,p… 相似文献
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Polyoxometalates (POMs)containingKegginmoi etieshavebeenreceivingextensiveattentioninrecentyearsowingtotheirgreatfundamentalandpracticalinter est .1Especiallytheunusualelectronicproperty (highnegativecharges) ,oneofthemostimportantpropertiesofPOMs ,haspoten… 相似文献
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IntroductionThenitrilotriaceticacidisoneoftheimportantderivativesofglycine .Duringthelastdecade ,itstriva lentanion (NTA) ,asabridgingligand ,hasattractedwideattentionandbecomeoneofthesubjectofintensiveresearchforseveralreasons .1 6EachNTAhasthreecar boxylate… 相似文献
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HYDROLYTICCLEAVAGEOFACMET-GLYPROMOTEDBYCIS-[Pd(MET)(D2O)2](NO3)2¥XiaoHuaCHEN;LongGenZHU;N.M.Kostic(CoordinationChemistryInsti... 相似文献
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1 INTRODUCTIONRecentyearshavewitnessedamarkedincreaseintheliteratureintheuseofsele niumandtelluriumasbridgingandstabilizingligandssincetheyexhibitunusualstruc turalandreactivitypatterns.〔1〕Ourongoingresearchprogramaimedatexploringnewconvenientsynthetic… 相似文献
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1 INTRODUCTIONIntheprocessofthepreparationofNi(Pic) 2 L(L =1 ,3 bis (2 formylphenoxy) 2 hydroxyl propanethiosemicarbazone )mixedcomplexwithphen,aredcrystalwasobtainedinacetonitrilesolution .However,theelementalanalysisresultsoftheredcrystalindicatedthatitisnotthe… 相似文献