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

被引：28

作者：

Magriz, Antonio ^{[2
]}

Gomez-Bujedo, Silvia ^{[1
]}

Alvarez, Eleuterio ^{[2
]}

Fernandez, Rosario ^{[1
]}

Lassaletta, Jose M. ^{[2
]}

机构：

[1] Univ Seville, Fac Quim, Dept Quim Organ, E-41071 Seville, Spain

[2] CSIC USe, Inst Invest Quim, Seville 41092, Spain

来源：

ORGANOMETALLICS | 2010年 / 29卷 / 22期

关键词：

N-HETEROCYCLIC CARBENES; PLANAR METAL-COMPLEXES; C-H; SUBSTITUENT; CHEMISTRY; CATALYSIS; CATIONS; ALKYNES; SYSTEM; BULKY;

D O I：

10.1021/om100723b

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

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.

引用

页码：5941 / 5945

页数：5

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