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Title

Phthalazin-2-ylidenes As Cyclic Amino Aryl Carbene Ligands in Rhodium(I) and Iridium(I) Complexes

AuthorsMagriz, Antonio ; Gómez-Bujedo, Silvia; Álvarez, Eleuterio ; Fernández, Rosario; Lassaletta, José M.
KeywordsPhthalazinium
Metal complexes
Carbenes
X-ray
Electron density
N-heterocyclic carbene
Issue Date4-Oct-2010
PublisherAmerican Chemical Society
CitationOrganometallics 29(22): 5941-5945 (2010)
AbstractThe 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.
Description4 páginas, 6 figuras, 1 tabla, 2 esquemas.
Publisher version (URL)http://dx.doi.org/10.1021/om100723b
URIhttp://hdl.handle.net/10261/37662
DOI10.1021/om100723b
ISSN0276-7333
Appears in Collections:(IIQ) Artículos
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