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Article Dans Une Revue Journal of the American Chemical Society Année : 2021

Scandium-Terminal Boronylphosphinidene Complex

Résumé

The first isolation and structural characterization of a rare-earth metal-terminal imido complex were reported in 2010, but a rare-earth metal-terminal phosphinidene complex is still absent, to date. Herein, we report the synthesis and structure of the first example of a rare-earth-terminal phosphinidene complex, namely the scandium boronylphosphinidene complex. Single-crystal X-ray diffraction shows that the complex has a much shorter Sc-P bond length as compared to that in a related scandium boronylphosphido complex, 2.381(1) angstrom vs 2.564(1) angstrom. DFT calculations indicate the presence of a strong Sc-P pi interaction in this complex, which is in striking contrast to the weak interaction found in the phosphido complex. A preliminary reactivity study demonstrates that the scandium-terminal boronylphosphinidene complex behaves as a nucleophilic phosphinidene complex.
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Dates et versions

hal-03717269 , version 1 (08-07-2022)

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Bin Feng, Li Xiang, Ambre Carpentier, Laurent Maron, Xuebing Leng, et al.. Scandium-Terminal Boronylphosphinidene Complex. Journal of the American Chemical Society, 2021, 143 (7), pp.2705-2709. ⟨10.1021/jacs.1c00148⟩. ⟨hal-03717269⟩
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