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Montiel-Palma V, Piechaczyk O, Picot A, et al. Bonding mode of a bifunctional P approximately Si-H ligand in the ruthenium complex "Ru(PPh2CH2OSiMe2H)3". Inorg Chem. 2008;47(19):8601-3doi: 10.1021/ic801327a.
Montiel-Palma, V., Piechaczyk, O., Picot, A., Auffrant, A., Vendier, L., Le Floch, P., & Sabo-Etienne, S. (2008). Bonding mode of a bifunctional P approximately Si-H ligand in the ruthenium complex "Ru(PPh2CH2OSiMe2H)3". Inorganic chemistry, 47(19), 8601-3. https://doi.org/10.1021/ic801327a
Montiel-Palma, Virginia, et al. "Bonding mode of a bifunctional P approximately Si-H ligand in the ruthenium complex "Ru(PPh2CH2OSiMe2H)3"." Inorganic chemistry vol. 47,19 (2008): 8601-3. doi: https://doi.org/10.1021/ic801327a
Montiel-Palma V, Piechaczyk O, Picot A, Auffrant A, Vendier L, Le Floch P, Sabo-Etienne S. Bonding mode of a bifunctional P approximately Si-H ligand in the ruthenium complex "Ru(PPh2CH2OSiMe2H)3". Inorg Chem. 2008 Oct 06;47(19):8601-3. doi: 10.1021/ic801327a. Epub 2008 Sep 06. PMID: 18774798.
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Inorg Chem. 2008 Oct 06;47(19):8601-3. doi: 10.1021/ic801327a. Epub 2008 Sep 06.

Bonding mode of a bifunctional P approximately Si-H ligand in the ruthenium complex "Ru(PPh2CH2OSiMe2H)3".

Inorganic chemistry

Virginia Montiel-Palma, Olivier Piechaczyk, Alexandre Picot, Audrey Auffrant, Laure Vendier, Pascal Le Floch, Sylviane Sabo-Etienne

Affiliations

  1. Centro de Investigaciones Quimicas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Morelos 62210, Mexico.

PMID: 18774798 DOI: 10.1021/ic801327a

Abstract

The phosphinosilane compound PPh 2CH 2OSiMe 2H is potentially a bifunctional P approximately Si-H ligand. By treatment with the Ru (II) precursor RuH 2(H 2) 2(PCy 3) 2, the complex Ru(PPh 2CH 2OSiMe 2H) 3 ( 2), resulting from the coordination of three ligands and the displacement of two PCy 3 and two dihydrogen ligands, was formed. The different bonding modes for each of the three bifunctional P approximately Si-H ligands are discussed on the basis of multinuclear NMR, X-ray diffraction, and density functional theory studies. One ligand acts as a monodentate phosphine ligand with a pendant Si-H group, whereas the two others act as bidentate ligands with different Si-H bond activations. Indeed, an intermediate structure between two arrested forms 2a and 2b can be proposed: a dihydrido(disilyl)ruthenium(IV) species (form 2a) resulting from two Si-H oxidative additions or a hydrido(silyl)ruthenium(II) species (form 2b) presenting an agostic Si-H bond and only one oxidative addition.

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