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Title: Phthalazin-2-ylidenes As Cyclic Amino Aryl Carbene Ligands in Rhodium(I) and Iridium(I) Complexes
Authors: Magriz, Antonio, Gómez-Bujedo, Silvia, Álvarez, Eleuterio, Fernández, Rosario, Lassaletta, José M.
Keywords: Phthalazinium
Metal complexes
Electron density
N-heterocyclic carbene
Issue Date: 4-Oct-2010
Publisher: American Chemical Society
Abstract: 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.
Description: 4 páginas, 6 figuras, 1 tabla, 2 esquemas.
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ISSN: 0276-7333
???metadata.dc.identifier.doi???: 10.1021/om100723b
Citation: Organometallics 29(22): 5941-5945 (2010)
Appears in Collections:(IIQ) Artículos
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