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Título: | Phthalazin-2-ylidenes As Cyclic Amino Aryl Carbene Ligands in Rhodium(I) and Iridium(I) Complexes |
Autor: | Magriz, Antonio CSIC; Gómez-Bujedo, Silvia; Álvarez, Eleuterio CSIC ORCID ; Fernández, Rosario; Lassaletta, José M. CSIC ORCID | Palabras clave: | Phthalazinium Metal complexes Carbenes X-ray Electron density N-heterocyclic carbene |
Fecha de publicación: | 4-oct-2010 | Editor: | American Chemical Society | Citación: | Organometallics 29(22): 5941-5945 (2010) | Resumen: | The direct metalation of phthalazinium halides with [Rh(tBuO)(COD)]2 or [Ir(tBuO)(COD)]2 led to the isolation of stable [MCl(phthalazin-2-ylidene)X(COD)] (M = Rh, Ir) as a new family of cyclic amino aryl carbene transition metal complexes. The X-ray diffraction analysis of several representatives systematically revealed a relatively short C(aryl)−C(carbene) bond distance of 1.44−1.46 Å, shorter than the typical C(sp2)−C(sp2) single bond, indicating some electron density delocalization from the π system of the aryl ring over the vacant carbene orbital. | Descripción: | 4 páginas, 6 figuras, 1 tabla, 2 esquemas. | Versión del editor: | http://dx.doi.org/10.1021/om100723b | URI: | http://hdl.handle.net/10261/37662 | DOI: | 10.1021/om100723b | ISSN: | 0276-7333 |
Aparece en las colecciones: | (IIQ) Artículos |
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