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Título: | Synthesis and characterization of new 10- and 12-vertex CO-ligated metallathiaboranes |
Autor: | Luaces, Susana CSIC; Bould, Jonathan CSIC ORCID; Macías, Ramón CSIC ORCID; Sancho, Rodrigo CSIC; García-Orduña, Pilar CSIC ORCID; Lahoz, Fernando J. CSIC ORCID; Oro, Luis A. CSIC ORCID | Fecha de publicación: | 2012 | Editor: | Elsevier | Citación: | Journal of Organometallic Chemistry 721-722: 23-30 (2012) | Resumen: | The reaction between [arachno-6-SB 9H 12] - and [IrCl(CO)(PMe 3) 2] affords the previously reported 11-vertex cluster, [8,8,8-(CO)(PMe 3) 2-arachno-8,7- IrSB 9H 10] (4), and small amounts of the new 10-vertex iridathiaborane [9,9,9,9-(CO)(H)(PMe 3) 2-arachno-9,6- IrSB 8H 10] (5). Alternatively, a rational synthesis of iridathiadecaboranes is effected from the reaction of the 9-vertex anion [arachno-4-SB 8H 11] - with [MCl(CO)(PPh 3) 2], to afford new CO-ligated 10-vertex metallathiaboranes of formulation, [9,9,9,9-(CO)(H)(PPh 3) 2-arachno-9,6-MSB 8H 10], where M = Rh (6) and Ir (7), in useful yields of 61% and 60% respectively. Treatment of the 11-vertex rhodathiaborane, [8,8-(PPh 3) 2-8,7-nido-RhSB 9H 10] (1) with nBuLi, followed by addition of [IrCl(CO)(PMe 3) 2] affords the 12-vertex iridarhodathiaborane, [1,2-(ο-CO)-1,1,2-(PMe 3) 3-2- (PPh 3)-closo-1,2-IrRhSB 9H 9] (8) in low yield (0.7%). The 10-vertex metallathiaboranes, 5, 6 and 7, and the bimetallic 12-vertex cluster, 8, have been characterized by multinuclear NMR spectroscopy. In addition, the molecular structures of compounds 5, 6, and 8 have been studied by X-ray diffraction. © 2012 Elsevier B.V. All rights reserved. | Versión del editor: | http://dx.doi.org/10.1016/j.jorganchem.2012.04.003 | URI: | http://hdl.handle.net/10261/65147 | DOI: | 10.1016/j.jorganchem.2012.04.003 | Identificadores: | doi: 10.1016/j.jorganchem.2012.04.003 issn: 0022-328X |
Aparece en las colecciones: | (ISQCH) Artículos |
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Synthesis and Characterization of New 10.pdf | 1,27 MB | Adobe PDF | Visualizar/Abrir |
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