Aqueous phase carbon dioxide and bicarbonate hydrogenation catalyzed by cyclopentadienyl ruthenium complexes

被引：25

作者：

Bosquain, Sylvain S. ^{[1
]}

Dorcier, Antoine ^{[2
]}

Dyson, Paul J. ^{[2
]}

Erlandsson, Mikael ^{[1
]}

Gonsalvi, Luca ^{[1
]}

Laurenczy, Gabor ^{[2
]}

Peruzzini, Maurizio ^{[1
]}

机构：

[1] CNR, ICCOM, I-50019 Florence, Italy

[2] Ecole Polytech Fed Lausanne, Inst Sci & Ingn Chim, CH-1015 Lausanne, Switzerland

来源：

APPLIED ORGANOMETALLIC CHEMISTRY | 2007年 / 21卷 / 11期

关键词：

catalysis; hydrogenation; carbon dioxide hydrogenation; ruthenium; water-soluble phosphines; cyclopentadienyl complexes;

D O I：

10.1002/aoc.1317

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The water-soluble ruthenium(II) complexes [Cp'RuX(PTA)(2)]Y and [CpRuCl(PPh3)(mPTA)]OTf (Cp'= Cp, Cp*, X = Cl and Y = nil; or X = MeCN and Y = PF6; PTA = 1,3,5-triaza-7-phosphaadamantane; mPTA = 1-methyl-1,3,5-triaza-7-phosphaadamantane) were used as catalyst precursors for the hydrogenation Of CO2 and bicarbonate in aqueous solutions, in the absence of amines or other additives, under relatively mild conditions (100 bar H-2, 30-80 degrees C), with moderate activities. Kinetic studies showed that the hydrogenation of HCO3- proceeds without an induction period, and that the rate strongly depends on the pH of the reaction medium. High-pressure multinuclear NMR spectroscopy revealed that the ruthenium(II) chloride precursors are quantitatively converted into the corresponding hydrides under H-2 pressure. Copyright (c) 2007 John Wiley & Sons, Ltd.

引用

页码：947 / 951

页数：5

共 32 条

[1] Synthesis, catalytic properties and biological activity of new water soluble ruthenium cyclopentadienyl PTA complexes [(C5R5)RuCl(PTA)2] (R = H, Me; PTA=1,3,5-triaza-7-phosphaadamantane) [J].