The impact of metal-ligand cooperation in hydrogenation of carbon dioxide catalyzed by ruthenium PNP pincer

Journal article (2013)

Authors

G.A. Filonenko Eindhoven University of Technology

Matthew P. Conley ETH Zürich

Christophe Copéret ETH Zürich

M Lutz Universiteit Utrecht

Emiel J.M. Hensen Eindhoven University of Technology

E.A. Pidko Eindhoven University of Technology

Affiliation

External organisation

Ruthenium CO hydrogenation Metal-ligand cooperation Pincer catalyst

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Published Date

2013

Language

English

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Abstract

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.