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Group 13 Element Trihalide Complexes of Anionic N-Heterocyclic Carbenes.


ABSTRACT: A series of group 13 complexes of the general type [{(WCA-IDipp)EX3 }Li(solv)] (E=B, Al, Ga, In; X=Cl, Br) that bear an anionic N-heterocyclic carbene ligand with a weakly coordinating borate moiety (WCA-IDipp, WCA=B(C6 F5 )3 and IDipp=1,3-bis(2,6-diisopropylphenyl)imidazolin-2-ylidene) were prepared by the reaction of the respective group 13 trihalides (EX3 ) with the lithium salt [(WCA-IDipp)Li???toluene]. The molecular structures of the BBr3 , AlCl3 , AlBr3 , GaCl3 and InCl3 adducts were established by X-ray diffraction analyses, revealing the formation of coordination polymers linked by halide-lithium interactions, except for the indium derivative, which consists of isolated [Li(THF)4 ]+ and [(WCA-IDipp)InCl3 ]- ions in the solid state.

SUBMITTER: Ho LP 

PROVIDER: S-EPMC7154526 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Group 13 Element Trihalide Complexes of Anionic N-Heterocyclic Carbenes.

Ho Luong Phong LP   Anders Lisa L   Tamm Matthias M  

Chemistry, an Asian journal 20200220 6


A series of group 13 complexes of the general type [{(WCA-IDipp)EX<sub>3</sub> }Li(solv)] (E=B, Al, Ga, In; X=Cl, Br) that bear an anionic N-heterocyclic carbene ligand with a weakly coordinating borate moiety (WCA-IDipp, WCA=B(C<sub>6</sub> F<sub>5</sub> )<sub>3</sub> and IDipp=1,3-bis(2,6-diisopropylphenyl)imidazolin-2-ylidene) were prepared by the reaction of the respective group 13 trihalides (EX<sub>3</sub> ) with the lithium salt [(WCA-IDipp)Li ⋅ toluene]. The molecular structures of the B  ...[more]

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