Complexes of Iron(II) and Iron(III) Containing Aryl-Substituted N-Heterocyclic Carbene Ligands

被引：55

作者：

Przyojski, Jacob A. ^{[1
]}

Arman, Hadi D. ^{[1
]}

Tonzetich, Zachary J. ^{[1
]}

机构：

[1] Univ Texas San Antonio, Dept Chem, San Antonio, TX 78249 USA

来源：

ORGANOMETALLICS | 2012年 / 31卷 / 08期

关键词：

GRIGNARD-REAGENTS; TRANSITION-METAL; EFFICIENT HYDROSILYLATION; ALKYL-HALIDES; SELECTIVE HYDROSILYLATION; TRANSFER HYDROGENATION; CARBONYL-COMPOUNDS; COUPLING REACTIONS; BOND ACTIVATION; DIIRON MODELS;

D O I：

10.1021/om300106u

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Iron(II) and iron(III) complexes containing the 1,3-dimesitylimidazole-2-ylidene (IMes) and 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene (IPr) ligands have been prepared and characterized. Four-coordinate iron(II) carbene species are sensitive to the steric bulk of the carbene ligand and can adopt both monomeric and halide-bridged dimeric structures with 2:1 and 1:1 carbene to iron stoichiometries, respectively. Iron(III) carbene complexes bind a single carbene ligand, which is easily exchanged in solution. The structural and solution phase characterization of all compounds is reported, and their relevance to iron-catalyzed C-C coupling reactions is discussed.

引用

页码：3264 / 3271

页数：8

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