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1、SupplementaryMaterial(ESI)forDaltonTransactionsThisjournalis©TheRoyalSocietyofChemistry2002TheCoordinationBehaviourofLargeNaturalBiteAngleDiphosphineLigandstowardsMethyland4-Cyanophenylpalladium(II)ComplexesMartinA.Zuideveld,BertH.G.Swennenhuis,MaartenD.K.Boele,Yanni
2、ckGuari,GinoP.F.vanStrijdonck,JoostN.H.Reek,PaulC.J.Kamer,KeesGoubitz†,JanFraanje†,MartinLutz‡,AnthonyL.Spek‡andPietW.N.M.vanLeeuwen*InstituteofMolecularChemistry,UniversiteitvanAmsterdam,NieuweAchtergracht166,1018WVAmsterdam,TheNetherlands.E-mailaddress:pwnm@science
3、.uva.nl(P.W.N.M.vanLeeuwen).†Dept.Crystallography,UniversiteitvanAmsterdam,NieuweAchtergracht166,1018WVAmsterdam,TheNetherlands.‡BijvoetCenterforBiomolecularResearch,Dept.CrystalandStructuralChemistry,UtrechtUniversity,Padualaan8,3584CHUtrecht,TheNetherlands.Theligan
4、dsusedinthisstudyarebeingusedinabroadrangeofcatalyticreactions.
5、#132
6、#321
7、#90
8、#329Toexplaincatalyticresultsanunderstandingofthepossiblecoordinationmodesofaligandaroundthemetalcenterisimportant.Inparticular,thediphosphineligandsbasedontheferrocenebackboneshowarema
9、rkabledifferenceinstructurewhichisduetominorchangesofthealkylsubstituentonthephosphorusatoms.Theseobservationsimplythatgreatcareshouldbetakentoexplaincatalyticresultsobtainedusingaseriesofligandswhichbeardifferentsubstituents.ExperimentalSectionGeneralSyntheticProced
10、uresAllreactionswerecarriedoutusingstandardSchlenktechniquesunderanatmosphereofpurifiedargonornitrogen.Benzeneandtolueneweredistilledfromsodium,diethyletherwasdistilledfromsodium/benzophenoneandhexaneandpentaneweredistilledfromsodium/benzophenone/triglyme.Dichloromet
11、haneandacetonitrileweredistilledfromCaH2.ChemicalswerepurchasedfromAldrichChemicalCo.andAcrosChimica.(COD)Pd(CH3)(Cl),1(COD)Pd(CH3)(Br),1(dppf)Pd(CH3)(Cl)1,Na[B(3,5-(CF3)2C6H3)],2chloro-bis(diethylamino)phosphine,3DPEphos,4Thixantphos,4Sixantphos,4Xantphos,4Thioxantp
12、hos,5dtpf,6dipf7anddepf8weresynthesisedaccording11SupplementaryMaterial(ESI)forDaltonTransactionsThisjournalis©TheRoyalSocietyofChe
