Journal
CHEMCATCHEM
Volume 9, Issue 14, Pages 2652-2660Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201700310
Keywords
alcohols; biomass valorization; carboxylic acids; homogeneous catalysis; oxidation
Categories
Funding
- French Government [ANR-001-01]
- China Scholarship Council [CSC 2011008127]
- CNRS
- Chevreul Institute [FR 2638]
- Ministere de l'Enseignement Superieur et de la Recherche, Region Nord-Pas de Calais
- FEDER
- Investments for the Future
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The catalytic acceptorless dehydrogenative oxidation of biosourced alcohols into carboxylic acid salts was achieved using earth-abundant Fe and Mn complexes that feature aliphatic PNP pincer ligands in good to excellent yields. The Fe derivatives were characterized by using Fe-57 NMR spectroscopy. Mn pincer catalysts are catalytically more efficient than their Fe counterparts thanks to their robustness under basic conditions. Attempts to generate aldehydes from alcohols were not successful using the Fe and Mn species, but a commercially available Ru analogue achieves this transformation selectively under very mild conditions in the presence of a large excess of acetone as a hydrogen acceptor.
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