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Article Dans Une Revue Chemical Communications Année : 2021

Scandium and lanthanum hydride complexes stabilized by super-bulky penta-arylcyclopentadienyl ligands

Résumé

Hydrogenolysis of the half-sandwich penta-arylcycopentadienyl-supported rare-earth metal dibenzyl complexes [(Cp-Ar5)Ln(p-CH2-C6H4-Me)(2)(THF)] (Cp-Ar5 = C5Ar5, Ar = 3,5-Pr-i(2)-C6H3; Ln = Sc, La) afforded a bimetallic scandium complex [(Cp-Ar5)Sc(H)(mu-OC4H9)](2) (2) with two terminal hydrido ligands, and a double-sandwich bimetallic lanthanum hydride complex [(Cp-Ar5)La(mu-H)](2) (4) bearing the reduced Cp-Ar5 ligand. DFT calculations were conducted to elucidate the reaction profiles.
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Dates et versions

hal-03717282 , version 1 (08-07-2022)

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Yang Wang, Iker del Rosal, Guorui Qin, Lanxiao Zhao, Laurent Maron, et al.. Scandium and lanthanum hydride complexes stabilized by super-bulky penta-arylcyclopentadienyl ligands. Chemical Communications, 2021, 57 (63), pp.7766-7769. ⟨10.1039/d1cc01841h⟩. ⟨hal-03717282⟩
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