Journal
ACS CATALYSIS
Volume 3, Issue 11, Pages 2522-2526Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cs4006869
Keywords
metal-ligand cooperation; ruthenium; CO2 hydrogenation; pincer catalyst
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Funding
- Technology Foundation STW
- Netherlands Organization for Scientific Research (NWO)
- NWO
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The metal-ligand cooperative activation of CO2 with pyridine-based ruthenium PNP pincer catalysts leads to pronounced inhibition of the activity in the catalytic CO2 hydrogenation to formic acid. The addition of water restores catalytic performance by activating alternative reaction pathways and leads to unprecedented Ru-catalyzed CO2 hydrogenation activity. The mechanism of the underlying chemical transformations is proposed on the basis of DFT calculations, kinetic experiments, and NMR reactivity studies.
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