《Organothorium complexes containing terminal metal-ligand multiple bonds》.pdf

SClENCECH INA Chemistry ·REVIEW S August2014 Vol57 No．8：1064—1072 doi：10．1007／sl1426—014—5094一Y Organothorium complexescontainingterm inalmetal-ligand multiplebonds zIGuOFu DepartmentofChemist~，BeijingNormalUniversity，Beijing100875，China ReceivedDecember13，2013；acceptedDecember31，2013；publishedonlineMay28，2014 Organoactinidecomplexescontainingterminalmetal—ligandmultiplebondshavereceivedwidespreadattentionoverthepast threedecades．Inthelastfew years，significantprogresshasbeenmadeinthesynthesisandcharacterizationoftheimido，oxo， sulfido，andcarbene—containingcomplexesofthorium ．Suchthorium complexesareofinterestbecauseoftheiruniquestruc— turalproperties，theirpotentialapplicationinnovelgrouptransferreactionsandcatalysis，aswellastheirabilitytoengagethe 5forbitalsinmetal—ligandbonding．Thisshortreview summarizesthesynthesisandreactivityofthesethorium complexes． thorium complex，multiplebond，synthesis，reactivity 1 Introduction alkylhalideswithmodelcomplex[’一1，2，4一(Me3C)3CsH2]2Th=0 providedinsightsintothenatureoftheTh=Obondatamo一 0rganoactinidecomplexeswithtermina1metal—ligandmul— 1ecularlevel l『81．Inaddition，forbitalparticipationwas historically considered to beaminorcomponentofacti— tiplebondshavereceived significantattentionoverthepast threedecades．andconsiderableprogressto