364854 Mechanistic Studies on Hydrodeoxygenation of Furfural to 2-Methyl Furan Via Ring C-H Bond Activations

Tuesday, November 18, 2014: 12:30 PM
303 (Hilton Atlanta)
Bingjun Xu1, Dion G. Vlachos2, Paraskevi Panagiotopoulou3 and Matthew Gilkey3, (1)Catalysis Center for Energy Innovation, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, DE, (2)Catalysis Center for Energy Innovation, Chemical Engineering, University of Delaware, Newark, DE, (3)Chemical and Biomolecular Engineering, University of Delaware, Newark, DE

Removal of excess oxygen-containing functional groups in furanic compounds, e.g. furfural and 5-hydroxymethylfurfural to 2-methyl furan and dimethylfuran, is a key step in the upgrade of cellulosic and hemicellulosic biomass-derived molecules. Mildly oxidized Ru/C catalyst shows remarkable activity and selectivity towards the hydrodeoxygenation reactions; however, molecular level understanding on the catalyst surface-mediated chemical transformation is still lacking. We show that both metal-mediated hydrogenation and Lewis acid-mediated MPV reaction are responsible for hydrogenating C=O to C-OH. In addition, isotopic labeling experiments with detailed mass fragmentation analysis demonstate that ring C-H bond activations are necessary for the C-OH bond scission.

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See more of this Session: Fundamentals of Surface Reactivity I
See more of this Group/Topical: Catalysis and Reaction Engineering Division