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1.
建方方  赵朴素  肖海连  张书圣 《中国化学》2002,20(10):1134-1137
IntroductionImidazolehasattractedconsiderableinterestasalig andinmanybiologicalsystemsinwhichitprovidesapo tentialbindingsiteformetalions .1Imidazoleitselfisanunidentateligandandformscomplexeswithmetalionsthroughitstertiarynitrogenatom .Somecomplexesofi…  相似文献   

2.
INTRODUCTIONThesynthesisofpolynuclearcopper lanthanoidcomplexesisofspecialinterestforsev eralreasons〔1-4〕.Thesecomplexesareim...  相似文献   

3.
IntroductionGreatprogresshasbeenmadeinthechemistryofdi valentorganolanthanidecomplexes .Avarietyofnewclassesofcomplexeshavebeensynthesizedandwidelyusedinorganicsynthesisandpolymerchemistry .1 6 Itwasnoticedthatmostoftheworkpublishedisfocusedonthecomplexe…  相似文献   

4.
1 INTRODUCTIONThemixedchaletNi(Ⅱ)complexescontainingpyridineshavebeenofgreatinterestforinorganicandbioinorganicchemists[1~5].VanillinisoneofthenormalusedcompoundswhichhavetwooxygenatomsandareeasytoformanumberofcomplexeswithCu(Ⅱ),Co(Ⅱ),Ni(Ⅱ),Zn(Ⅱ)andetal[6].Inth…  相似文献   

5.
IntroductionOrganometallicandcoordinationcomplexeshavere centlyemergedaspotentialbuildingblocksfornonlinearoptical (NLO )materials .1 6Comparedwithorganicmolecules ,metalcomplexescanhavealargervarietyofstructuresandamuchgreaterdiversityoftunableelec tronic…  相似文献   

6.
IntroductionSchiffbase-transitionmetalcomplexescanbeusedashomogeneouscatalystsinasymmetricorganicsynthesis,suchasthesynthesisofchiralα-cyanohydrin,cyclopropaneorepoxidescompounds[1—3],furthermore,ithasbeenfoundthatthesecomplexeswerefoundtobeassociate…  相似文献   

7.
IntroductionPolynuclearmixed-metalcomplexescontainingbothtransitionandlanthanoidmetalionsareofspecialcurentinterestinrelation...  相似文献   

8.
IntroductionTheabilityofdithiocarbamate(dtc)bindingtometalshasbeenknownformanyyears .Itformschelateswithvirtu allyalltransitionmetals.1Thebidentateanionisalsowellknownasabridgebetweentwotransitionmetalcenters.2 Wa ter solubledialkyldithiocarbamatecomplexes…  相似文献   

9.
IntroductionOrganotin(IV)complexeswerewidelyusedasbio cides,fungicidesandinindustryashomogeneouscata lysts.1 6 Morerecently ,pharmaceuticalpropertiesofalkyltin(IV)complexeswithN ,N dialkyldithiocarba mateligandshavebeeninvestigatedfortheirantitumouractivity.7,8…  相似文献   

10.
1INTRODUCTIONRecentresearchonaseriesofdinuclearmolybdenum(0)carbonylcomplexescontain ingthiolato bridgeshasledtotheconclusion...  相似文献   

11.
1INTRODUCTIONInrecentyears,aseriesoflanthanide aluminiumcomplexeswhichareactiveforpoly merizationofolfins〔1〕havebeenreported....  相似文献   

12.
1INTRODUCTIONRecently,thechemistryofcomplexescontaininglow valencemetalatomshasincreas inglyatractedtheatentionfromchemistsan...  相似文献   

13.
IntroductionTheinteractionofbisphosphineswith (transition)metalsisafascinatingfieldfromthecoordinationchemist’spointofview .Awidearrayofmono andmulti metalliccis η2 P ,P′coordinatedcomplexesareformedinwhichavarietyofcoordinationmodesisen countered .Thechela…  相似文献   

14.
王庆伦  廖代正  阎世平  姜宗慧  程鹏 《中国化学》2002,20(11):1249-1255
IntroductionMolecularmagnetismofpolynuclearcomplexesisofconsiderableinterestfordesigningnewmagneticmaterialsandforinvestigatingtherelationshipbetweenthestructureandtheroleofthepolymetallicactivesitesinbiologicalsystems.1 4 Journauxetal .5haverecentlyprop…  相似文献   

15.
0IntroductionNumerousuniqueframeworkshavebeenreportedbyassemblyofrationaldesignedorganiclig-andswithmetalionsoverthepastdecade1~3.Itisknownthatbothimidazoleandcarboxylatearefunctionalgroupsforcoordinationtotransitionmetalionstoformcomplexes4~6.Howeve…  相似文献   

16.
IntroductionTheorganometallicchemistryoflanthanidemetalsinlowoxidationstatesiscurrentlyun dergoingarapiddevelopment.Thestudiesondivalentmetal complexchemistryhaveledtoavarietyofnewclassesofcomplexesandreactivitypatterns[14 ] .Theimportanceofstericfactorsc…  相似文献   

17.
IntroductionAvarietyofnewpolyaminopolycarboxylateligandsandtheirlanthanidecomplexeshavebeensynthesizedinrecentyearsbecauseoft...  相似文献   

18.
1 INTRODUCTIONSulfoxideisknowntoformcoordinationcompoundswithLanthanide(Ⅲ)andtheirsyntheses,propertiesandvariousphysicalcharacteristicshavebeenreport-ed〔1~9〕.However,therearesomanydifficultyinpreparingthekindoflanthanidecomplexesbecausetheanionsuseda…  相似文献   

19.
IntroductionOwingtotheformationofstableanddeeplycoloredcomplexeswithheavymetalions(suchaslead(Ⅱ)etc),theferrocenylaroylhydrazonesarenotonlypotentiallyusefulasspe-cificreagentsinanalyticalandextractivechemistry[1]butalsostronglyactivebiologically,andc…  相似文献   

20.
IntroductionCopper(Ⅱ)complexeswithorganicacidsandotherdonorligandsexistextensivelywithinhumanbodies,andplayanimportantroleinavastrangeofchemicalandbiochemicalcatalyticsystems[1].Muchattentionhasbeenpaidtowhattheymayrevealtothestructuresandtheprobable…  相似文献   

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