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- Title
Carbon Dioxide Reduction Catalyzed by Dinuclear Ruthenium Polypyridyl Complexes.
- Authors
Ono, Takashi; Planas, Nora; Miró, Pere; Ertem, Mehmed Z.; Escudero‐Adán, Eduardo C.; Benet‐Buchholz, Jordi; Gagliardi, Laura; Cramer, Christopher J.; Llobet, Antoni
- Abstract
Dinuclear ruthenium complexes [(Ru(bid))2(μ-bpp)(μ-OAc)] and [(Ru(trpy))2(μ-bpp)(μ-X)]2+ [X=Cl−, OAc−, and OCHO−; bpp=3,5-bis(2-pyridyl)pyrazolato; bid−=(1 Z,3 Z)-1,3-bis(pyridin-2-ylmethylene)isoindolin-2-ide; trpy=2,2':6',2'-terpyridine] were tested as catalysts for the hydrogenative reduction of carbon dioxide in the solvent 2,2,2-trifluoroethanol in the presence of excess amine (triethylamine). Significant amounts of formic acid were produced by these catalysts, and a kinetic analysis based on initial rate constants was performed. These catalytic systems were investigated by using DFT calculations to elucidate the hydrogenative reduction mechanism. The results are compared with those obtained with previously reported mononuclear catalyst counterparts.
- Subjects
CARBON dioxide reduction; RUTHENIUM catalysts; RUTHENIUM compounds; HYDROGENATION; DENSITY functional theory
- Publication
ChemCatChem, 2013, Vol 5, Issue 12, p3897
- ISSN
1867-3880
- Publication type
Article
- DOI
10.1002/cctc.201300372