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Agostic interaction versus small molecule binding in [RuH(CO)(PPhNiPrPPh)]BAr4 F complex

Netam, KD and Pal, AK and Nethaji, M and Jagirdar, BR (2023) Agostic interaction versus small molecule binding in [RuH(CO)(PPhNiPrPPh)]BAr4 F complex. In: Journal of Organometallic Chemistry, 992 .

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Official URL: https://doi.org/10.1016/j.jorganchem.2023.122693


Coordinatively unsaturated, 16 electron, cationic [RuH(CO)(PPhNiPrPPh)]BAr4 F complex (2) (PPhNiPrPPh = [(CH3)2CHN(CH2CH2PPh2)2]) was prepared and characterized in solution using NMR spectroscopy. Complex 2 shows close contact of the iPr C−H bond with the vacant coordination site of the metal center and is involved in an agostic interaction. Reactivity of complex 2 with X−H (X = H, H2B·NMe3, SiEt3, CH3) bond of small molecules to obtain σ-complexes via displacement of the agostic interaction was explored. The σ-complexes, [RuH(η2-H2)(CO)(PPhNiPrPPh)]BAr4 F (4) and [RuH(η1-HSiEt3)(CO)(PPhNiPrPPh)]BAr4 F (6) have been characterized at low temperature (213 K - 183 K) using NMR spectroscopy.

Item Type: Journal Article
Publication: Journal of Organometallic Chemistry
Publisher: Elsevier B.V.
Additional Information: The copyright for this article belongs to Elsevier B.V.
Keywords: Activation; Agostic interaction; Dihydrogen complex; NMR spectroscopy; Ruthenium complex; Small molecule
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 28 May 2023 05:47
Last Modified: 28 May 2023 05:47
URI: https://eprints.iisc.ac.in/id/eprint/81488

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