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Open AccessCommunication

Half-Sandwich Arene-Osmium(II) Complexes with Phosphinite Ligands

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Laboratorio de Compuestos Organometálicos y Catálisis (Unidad Asociada al CSIC), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Departamento de Química Orgánica e Inorgánica, IUQOEM, Facultad de Química, Universidad de Oviedo, Julián Clavería 8, E-33006 Oviedo, Spain
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Departamento de Química Física y Analítica, Facultad de Química, Universidad de Oviedo, Julián Clavería 8, E-33006 Oviedo, Spain
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Authors to whom correspondence should be addressed.
Molbank 2020, 2020(1), M1110; https://doi.org/10.3390/M1110
Received: 17 December 2019 / Revised: 14 January 2020 / Accepted: 15 January 2020 / Published: 17 January 2020
(This article belongs to the Section Structure Determination)
The synthesis of a series of arene-osmium(II) complexes containing phosphinite-type ligands, namely, [OsCl2(η6-p-cymene){R2PO(CH2)nPh}] (R = Ph, n = 1 (4a), 2 (4b), 3 (4c); R = iPr, n = 1 (5a), 2 (5b), 3 (5c)) and [OsCl2(η6-benzene){iPr2PO(CH2)2Ph}] (7), is presented. All these compounds were characterized by elemental analysis and multinuclear NMR spectroscopy (31P{1H}, 1H and 13C{1H}), and the structure of [OsCl2(η6-p-cymene){Ph2PO(CH2)3Ph}] (4c) unequivocally confirmed through a single-crystal X-ray diffraction study. Attempts to generate the tethered species [OsCl2{η6:κ1(P)-C6H5(CH2)nOPR2}] by intramolecular exchange of the coordinated arene in 4-5a-c or 7, upon thermal or MW heating, failed. View Full-Text
Keywords: organometallic compounds; osmium complexes; phosphinite ligands; half-sandwich complexes organometallic compounds; osmium complexes; phosphinite ligands; half-sandwich complexes
MDPI and ACS Style

González-Fernández, R.; Borge, J.; Crochet, P.; Cadierno, V. Half-Sandwich Arene-Osmium(II) Complexes with Phosphinite Ligands. Molbank 2020, 2020, M1110.

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