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1 INTRODUCTIONRareEarth (RE)elementsareappliedinagricultureandmedicine .Therfore,betterunderstandingofthebondingofREionsinthecomplexeswithaminoacidsisnecessary .ThecrystalstructureofREcomplexeswiththesimplestaminoacidglycinewerestudiedbefore[1- 4].Toresearch… 相似文献
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1 INTRODUCTIONOneofourcurrentinterestsfocusesonthedesignandsynthesesofpolyazamacrocyclicligands,andthestabilitiesofcorrespondingmetalcomplexes.Twopolyazadiphenolmacrocycles,R(babp) 2 (dfc) 2 andR (bac) 2 (dfp) 2 ;[1 ]oneoctaaza macrocycle,BPBD ;[2 ,3]andseveralhexaazama… 相似文献
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1 INTRODUCTIONAsatypeofimportanceprecursor,alotoforganolanthanidechloridecomplexeshavebeensynthesizedandstructurallycharacterized[1].Thebimetalliccomplexescontainingalkalimetal,Cp2Ln(μCl)2M(L)(Cp=η5C5H5orC5Me5;M=Li,Na;L=THF,TMEDA),isamainstructuretype.Inthecourseo… 相似文献
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IntroductionOrganotin(IV)derivativesofcarboxylicacidwereextensivelystudiedduetotheirbiologicalactivities .1 5Inrecentyearsmoreandmorereportsonthesynthesis ,anti tumouractivities ,biocidalactivities ,antibioticactivitiesandstructuralelucidationofvariousorgan… 相似文献
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1 INTRODUCTIONTransitionmetalclustercomplexeshavebeenreceivingconsiderableattentioninrecent yearslargelybecauseoftheir potentialapplicationsincatalysisaswellasthenoveltyandversatilityoftheirreactionsandstructures.[1~ 4] Ourinterestinmetalclustercatalysisp… 相似文献
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1 INTRODUCTIONCertaincoppercomplexeshavebeenshowntohaveunusualchemicalpropertiessuchasoxygentransfer,oxidativeadditionandhomogenouscatalytichydrogenation[1].Oxidativeadditionreactionsarekeystepsintheactivationofσbondsinagreatnumberofcatalyticprocess.Cop… 相似文献
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Horseradishperoxidase(HRP)canstronglycatalyzethereactionofH2O2oxidizingophenylenediamine(OPD),thechromaticproductofwhichcanbedetectedinenzymelinkedimmunosorbentassay(ELISA)withspectrophotometry[1].Involtammetricenzymelinkedimmunoassay[2—4],OPDH2O2HRPsystemhasf… 相似文献
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LI Xue a YAO Hai Jun b HU Chun Hua a DOU Jian Min a c Sun Jie d JIN Ruo Shui b ZHENG Pei Ju a ② a 《结构化学》1999,(5)
1 INTRODUCTIONThefirstpolyhedralruthenaboraneisstructurallytypifiedbythecompound〔(PPh3)2RuB10H8(OEt)2〕in1984〔1〕,whichisobtainedin40%yieldbythereactionoftheclosodecaboraneanionB10H102-with〔RuCl2(PPh3)3〕inethanol/chloroformsolution.Researchershavesy… 相似文献
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1 INTRODUCTIONRecentyearshavewitnessedamarkedincreaseintheliteratureintheuseofsele niumandtelluriumasbridgingandstabilizingligandssincetheyexhibitunusualstruc turalandreactivitypatterns.〔1〕Ourongoingresearchprogramaimedatexploringnewconvenientsynthetic… 相似文献
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Recently ,therehasbeenagrowinginterestincoor dinationpolymers1withaone (1 D) ,two (2 D)orthree dimensional (3 D)structure .Theuniquephysico chemicalpropertiesofthesepolymers ,highthermalsta bility,2 gasadsorptionanddesorption ,3 smallmoleculesocclusion ,4 ionexchange5… 相似文献
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1 INTRODUCTIONMostoftheureacompoundshavetheherbicidalability[1].Inordertoinvestigatetherelationshipsbetweenthestructuresandactivities,wesynthesizedaseriesofN,N’(substitutedphenyl)ureacompoundsanddeterminedthebiologicalactivitiesinhibitingALS(AcetolactateS… 相似文献
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StructureofPalisadinB,C_(15)H_(24)Br_2O¥HuangYou-Qing;HuSheng-Zhi(DepartmentofChemistry,XiamenUniversity,Xiamen,361005)ZhongYo?.. 相似文献
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1 INTRODUCTIONSincethiolateligandwasintroducedintomolybdenumcarbonylcompoundin1 984 [1],theinvestigationonlow valenceMo -SRcompoundshasreceivedattentionforthiskindoflow valencecompoundspossesscertainadvantageoncompoundsyn thesis,moleculestructureandphysicala… 相似文献
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Synthesis,CrystalStructureandStudiesontheNoncovalentInteractionof[Zn(BpheO)2(phen)]2·2CH3OH·3H2OSHENLiang*andSHENGGuo-ding(De... 相似文献
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Quantum scattering LCAC-SW theory studies on reaction probabilities of three-dimensional H+H_2(υ,j)→H_2(υ′, j′)+H reaction 总被引:1,自引:0,他引:1
InlightofKohnvariationtheory,Millerconstructedanewquantumreactivescatteringmethod:theSmatrixvariationmethod[1,2],whichisatypicaloneinwhichalgebraicmethodisusedtosolvedirectlytheSchrdingerequation.Becausethemethodincludesnaturallytheboundaryconditions,thew… 相似文献
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SynthesisandCrystalStructureofK_8H_5[La(SiW_2Mo_9O_(39))_2(H_2O)_(17)]4H_2OLuBin(DepartmentofChemistry,HarbinNormalUniversity,Har?.. 相似文献
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CrystalStructureof[Cu(C_(21)H_(25)N_2O_4)(H_2O)_2]·NO_3·2H_2OWuJie-Ying;XieFu-Xin;TianYu-Peng;ChenYao;NiShi-Sheng;DuShao-Wu;WuXin... 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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1 INTRODUCTION3methyl4hydroxybenzofuranisanintermediateusedforthesynthesisofnatureproducts[1].Ithasbeensynthesizedfrom1,3dihydroxybenzene[2-3].Tosynthesizeabietanequinonediterpenoidswithit[4,5],weintendedtoprotectthehydroxyattachedtoitwithMe2SO4.Finally,twocompou… 相似文献