Journal
CHEMICAL SCIENCE
Volume 9, Issue 25, Pages 5530-5535Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8sc00742j
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Funding
- Swiss National Science Foundation National Research Programme [NRP 66]
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Bimetallic Ru-Ni and Rh-Ni nanocatalysts coated with a phase transfer agent efficiently cleave aryl ether C-O linkages in water in the presence of hydrogen. For dimeric substrates with weaker C-O linkages, i.e. alpha-O-4 and beta-O-4 bonds, low loadings of the precious metal (Rh or Ru) in the nanocatalysts quantitatively afford monomers, whereas for the stronger 4-O-5 linkage higher amounts of the precious metal are required to achieve complete conversion. Under the optimized, relatively mild operating conditions, the C-O bonds in a range of substituted ether compounds are efficiently cleaved, and mechanistic insights into the reaction pathways are provided. This work paves the way to sustainable approaches for the hydrogenolysis of C-O bonds.
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