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Arene and hydride complexes of ruthenium with fac PSiP pincer ligands

AuthorsBernal, María J. ; Martín, Marta ; Sola, Eduardo
Coordination modes
Tridentate ligands
Si ligands
Issue Date2015
CitationZeitschrift für anorganische und allgemeine chemie 641(12-13): 2122-2128 (2015)
AbstractSeveral derivatives of the dinuclear complex [Ru(μ-Cl){κP, P,Si-Si(Me)(C6H4-2-PiPr2)2}]2 (1) are described. The mononuclear cationic arene complex [Ru{κP, P,Si-Si(Me)(C6H4-2-PiPr2)2}(η6-C6H6)](CF3SO3) (5), the phosphane adduct [Ru{κP, P,Si-Si(Me)(C6H4-2-PiPr2)2}Cl(PPh3)] (2), and the hydride-bridged dinuclear derivatives [Ru2(μ-Cl)(μ-H){κP, P,Si-Si(Me)(C6H4-2-PiPr2)2}2] (6) and [Ru2(μ-H){κP, P,Si-Si(Me)(C6H4-2-PiPr2)2}]2 (7) retain the fac coordination mode of the κP, P,Si ligand present in the precursor complex. In contrast, the neutral and cationic acetonitrile derivatives [Ru{κP, P,Si-Si(Me)(C6H4-2-PiPr2)2}Cl(NCMe)2] (3) and [Ru{κP, P,Si-Si(Me)(C6H4-2-PiPr2)2}(NCMe)3](CF3SO3) (4), respectively, show the PSiP pincer coordinated in the more usual mer fashion. Crystal structures determined by X-ray diffraction are shown for complexes 5, 6, and 7. The factors that influence the choice of coordination mode for the PSiP ligand are discussed.
Publisher version (URL)https://doi.org/10.1002/zaac.201500539
Identifiersdoi: 10.1002/zaac.201500539
e-issn: 1521-3749
issn: 0044-2313
Appears in Collections:(ISQCH) Artículos
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