Taming the Lewis Superacid Al(OR F )3 (R F =C(CF3)3): DFT Guided Identification of the "Stable yet Reactive" Adduct S i Pr2→Al(OR F )3; Its Use as OR F-Abstractor from a "Ni-OR F " complex - ICT-PTE
Article Dans Une Revue Chemistry - A European Journal Année : 2023

Taming the Lewis Superacid Al(OR F )3 (R F =C(CF3)3): DFT Guided Identification of the "Stable yet Reactive" Adduct S i Pr2→Al(OR F )3; Its Use as OR F-Abstractor from a "Ni-OR F " complex

Résumé

A DFT study of several L→Al(ORF)3 (L=Lewis bases) adducts allowed the identification of (iPr2S)→Al(ORF)3 1-SiPr2 as a “stable yet reactive” adduct. 1-SiPr2 was shown to act as a masked Lewis superacid able to release Al(ORF)3 under mild conditions. It could be used to abstract a ORF− ligand from (bipyMe2)Ni(ORF)2 (bipyMe2 : 6,6’-dimethyl-2,2’-dipyridyl) and generate the nickel alkoxide complex [(bipyMe2)Ni(ORF)(iPr2S)]+[(RFO)3Al−F−Al(ORF)3]− 5. Ligand exchange of iPr2S by Ph3P yielded [(bipyMe2)Ni(ORF)(PPh3)]+[(RFO)3Al−F−Al(ORF)3]− 6.
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hal-04297117 , version 1 (21-11-2023)

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Julien Petit, Julien Babinot, Nathalie Saffon-Merceron, Lionel Magna, Nicolas Mézailles. Taming the Lewis Superacid Al(OR F )3 (R F =C(CF3)3): DFT Guided Identification of the "Stable yet Reactive" Adduct S i Pr2→Al(OR F )3; Its Use as OR F-Abstractor from a "Ni-OR F " complex. Chemistry - A European Journal, 2023, 29 (29), pp.e202203912. ⟨10.1002/chem.202203912⟩. ⟨hal-04297117⟩
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