期刊
ORGANOMETALLICS
卷 29, 期 22, 页码 5941-5945出版社
AMER CHEMICAL SOC
DOI: 10.1021/om100723b
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资金
- Spanish Ministerio de Ciencia e Innovacion [CTQ2007-61915, CTQ2007-60244]
- European FEDER
- Junta de Andalucia [2009/FQM-4537, 2008/FQM-3833]
The direct metalation of phthalazinium halides with [Rh('BuO)(COD)](2) or [Ir('BuO)(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 angstrom, shorter than the typical C(sp(2))-C(sp(2)) single bond, indicating some electron density delocalization from the pi system of the aryl ring over the vacant carbene orbital.
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