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1、JournalofOrganometallicChemistry637–639(2001)16–17RecollectionsofthearrivalofferroceneMarkC.Whiting13CanowieRoad,BristolBS67HP,UK(MarkWhitingca.1952)Myinterestintransition-metalorganometallicchemistrybeganatImperialCollegeLondonin1946whenIwasaskedbymysupervisor,E.R
2、.H.Jones,toworkontheReppecarboxylationofacetyleneswithnickelcarbonyl[1].Someexperimentswerealsocarriedoutwithironpentacarbonyl.Bythesummerof1951,Ihadobtainedalectureship,atenuredpost,attheUniversityofManchester,butwaspreparingforatransatlanticvoyageinordertoworkasa
3、postdoctoralfellowwithR.B.Woodward—alreadyanametoconjurewith.InJulyorAugust1951Ireceived,asaFellowoftheChemicalSociety,mymonthlycopyofJ.Chem.Soc.withanenclosureentitled‘PapersReceived’;atthattimeJCSsentouteachmonthalistofthetitlesandauthorsofpaperssentin.Oneofthese
4、was‘Dicyclopentadieneiron,’byS.A.Miller,J.A.Tebboth,andJ.F.Tremaine[2].EvidentlyacompoundFe(C5H5)2existed,surelyanalogousinasensetoFe(CO)5.IarrivedatHarvardinSeptember1951andworkedatfirstonavariantoftheWoodwardsteroidsynthesis.AfterreturningfromasnowyChristmaswithf
5、riendsofmysisterinGrandRapids,Michigan,IfoundanairletterfrommyManchestercolleagueKathleenFarrercontaininganaccuratepre´cisofPeterPauson’sdescriptionofdicyclopentadienyliron,madefromferricchlorideandcyclopentadienylmagnesiumbromide,and0022-328X/01/$-seefrontmatter©2
6、001PublishedbyElsevierScienceB.V.PII:S0022-328X(01)01129-9M.C.Whiting/JournalofOrganometallicChemistry637–639(2001)16–1717evidentlythecompoundIalreadyknewof.WhenNaturereachedHarvardlaterinthemonth,aftertheusualseacrossing,BobWoodwardatonceappreciatedtheimportanceof
7、thissubstance(asIhadnot),anditbecameamajortopicofconversationwithinthegroup.Wesoonpredicteddibenzenechromium,dicyclobutadienylnickel,mixedcycloarenecarbonyls,etc.,andfirstMikeRosenblumandthenI(tomydelight)wereallowedtoswitchworktothisarea.Meanwhile,welearnedthat,al
8、ongthecorridor,GeoffreyWilkinsonhadalsobecomeinterestedinit.WhenImademyfirstbatchofthenewcompound,Iranitsinfraredspectrumincarbontetrachloridesol