Generation of a doubly bridging CO2 ligand and deoxygenation of CO2 by an (NHC)Ni(O) complex

被引：122

作者：

Lee, Chang Hoon ^{[1
]}

Laitar, David S. ^{[1
]}

Mueller, Peter ^{[1
]}

Sadighi, Joseph P. ^{[1
]}

机构：

[1] MIT, Dept Chem, Cambridge, MA 02139 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2007年 / 129卷 / 45期

关键词：

D O I：

10.1021/ja075630g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The treatment of [(IPr)Ni(mu-Cl)](2) (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) with NaOt -Bu and then pinB-Bpin (bis (pinacolato)diboron) gives rise to a mono-NHC-Ni(0) complex, which dimerizes upon crystallization. The same product is prepared by the treatment of [(IPr)Ni(mu-Cl)](2) with Li(BEt)(3)H, or with NaOt -Bu and then HSi(OEt)(3). The treatment of [(IPr)Ni](2) or its monomer with CO2 reduces CO2 to CO generating [(IPr)Ni](2)(mu-CO)(mu eta(2),eta(2)-CO2). This compound represents an unprecedented symmetric double-bridging mode Of CO2.

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页码：13802 / +

页数：3

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