Efficient homogeneous catalysis in the reduction of CO2 to CO

被引：561

作者：

Laitar, DS ^{[1
]}

Müller, P ^{[1
]}

Sadighi, JP ^{[1
]}

机构：

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

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2005年 / 127卷 / 49期

关键词：

D O I：

10.1021/ja0566679

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The well-defined copper(I) boryl complex [(IPr)Cu(Bpin)] [where IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene, and pin = pinacolate: 2,3-dimethyl-2,3-butanediolate] deoxygenates CO2 rapidly and quantitatively, affording CO and the borate complex [(IPr)Cu(OBpin)]. The boryl may be regenerated by treatment with the diboron compound pinB-Bpin, giving the stable byproduct pinB-O-Bpin. The use of a copper(I) alkoxide precatalyst and stoichiometric diboron reagent results in catalytic reduction of CO2, with high turnover numbers (1000 per Cu) and frequencies (100 per Cu in 1 h) depending on supporting ligand and reaction conditions. Copyright © 2005 American Chemical Society.

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页码：17196 / 17197

页数：2

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