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1、SynthesisandStructuresofNewCyclopalladatedFerrocenyliminesChineseChemicalLettersVo1.17,No.3,PP317—320,2006http://www.imm.ac.cn/journal/cc1.html3l7SynthesisandStructuresofNewCyclopalladatedFerrocenyliminesXueMeiZHAO,XinQiHAO,BinLIU,MaoPingSONG*,YangJieWU*Departme
2、ntofChemistry,ZhengzhouUniversity,HenanKeyLaboratoryofChemicalbiologvandOrganicChemistry,Zhengzhou450052Abstract:Thenewcomplexes,[PdCI{C5H4FeC5I-I4CHRN=CHC4H3O}(Ph3P)】(R=H,CH)weresynthesizedviatwonovelSchiffbases(CsH5FeC5H4CHRN=CHC4H3O,R=H,CH)withlithiumtetrachl
3、oropalladate(II),andcharacterizedbyIR,elementalanalysis,HNMR.Complex5awasfurtherdeterminedbyX—raysinglecrystaldiffraction.Wefoundthatitcontainedan1ntramolecularNPdcoordinationinthecompound5a.andthepalladiumatomwasboundtotheunsubstitutedCpring.ThePd—N,PdC(1)andPd
4、-Obondlengthswere2.121(3),2.008(4)and2.990A.respectively.Keywords:Heteroannular,ferrocenylimine,cyclopalladatedThechemistryofcyclopalladatedcompoundshasbeenofgeneralinterestfordecades,duetotheirvariOUSapplicationsinorganicandorganometallicsynthesis.materialscien
5、ce,catalysisandphotochemistry,inparticularthosecontainingnitrogenand(Pd—Csp,pheny1)boundortolesserextenta(Pd—Csp)bond.Cyclopalladationreactionshaveallowedtoobtaindifferentsortsofpolymetallicsystemcontaining(Pd—C1bonds.ButamongalltheexamplesreportedSOfarinthosecy
6、clopalladatedcompounds.thepalladiumatomiSdirectedtotheorthopositionofthesubstitutedcyclopentadienylnngviaortho—metallationandCanproducecyclometallatedcomplexeswithtwofusednngsatthemetalcentre'Comparingthesehomoannularcyclopallladatedcompounds,thisPaperreportsthe
7、synthesisandstructuresoftwonovelcyclopalladatedferroceny—limines.Wefoundthatinthesenewcyclopalladatedcompounds.thepalladiumatomisboundtotheunsubstitutedCp—ring,formingtwonovelheteroannularlycyclopallatedforrocenylimines,containingalarge—memberedmetallocycle.Asfa
8、rasweknOW,thisisthefirstexampleofheteroannularcyclopallatedferrocenederivatives.ThereactionequationsareshowninScheme1.ExperimentalTheCompounds2and3werepreparedbytheli
