This work presents new cationic coordination complexes of antimony with the 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene ( BIAN) ligand system. The fluoroantimony complexes [SbF( BIAN)][OTf] and [SbF ( BIAN)][OTf] have been successfully isolated and characterized. The fluorine substituent in the Lewis acidic complex [SbF( BIAN)][OTf] can be selectively replaced without degradation of the Sb- BIAN interaction to give the first dicationic azido and cyano derivatives, [Sb(CN)( BIAN)][OTf] and [Sb(N )( BIAN)][OTf] , which have been isolated and structurally characterized.
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Substitution Reactions at BIAN Supported Fluoroantimony Cations Yielding Cyanoantimony and Azidoantimony Cations.
Chemistry
December 2017
Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2T2, Canada.
This work presents new cationic coordination complexes of antimony with the 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene ( BIAN) ligand system. The fluoroantimony complexes [SbF( BIAN)][OTf] and [SbF ( BIAN)][OTf] have been successfully isolated and characterized. The fluorine substituent in the Lewis acidic complex [SbF( BIAN)][OTf] can be selectively replaced without degradation of the Sb- BIAN interaction to give the first dicationic azido and cyano derivatives, [Sb(CN)( BIAN)][OTf] and [Sb(N )( BIAN)][OTf] , which have been isolated and structurally characterized.
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