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Mechanistic insights into metal Lewis acid-mediated catalytic transfer hydrogenation of furfural to 2-methylfuran

Panagiotopoulou Paraskevi

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URIhttp://purl.tuc.gr/dl/dias/5AE4F82F-7860-40CD-B952-55FE530B92DB-
Identifierhttps://doi.org/10.1021/acscatal.5b00586-
Languageen-
ExtentPages 3988–3994en
TitleMechanistic insights into metal Lewis acid-mediated catalytic transfer hydrogenation of furfural to 2-methylfuranen
CreatorPanagiotopoulou Paraskevien
CreatorΠαναγιωτοπουλου Παρασκευηel
PublisherAmerican Chemical Societyen
Content SummaryBiomass conversion to fuels and chemicals provides sustainability, but the highly oxygenated nature of a large fraction of biomass-derived molecules requires removal of the excess oxygen and partial hydrogenation in the upgrade, typically met by hydrodeoxygenation processes. Catalytic transfer hydrogenation is a general approach in accomplishing this with renewable organic hydrogen donors, but mechanistic understanding is currently lacking. Here, we elucidate the molecular level reaction pathway of converting hemicellulose-derived furfural to 2-methylfuran on a bifunctional Ru/RuOx/C catalyst using isopropyl alcohol as the hydrogen donor via a combination of isotopic labeling and kinetic studies. Hydrogenation of the carbonyl group of furfural to furfuryl alcohol proceeds through a Lewis acid-mediated intermolecular hydride transfer and hydrogenolysis of furfuryl alcohol occurs mainly via ring-activation involving both metal and Lewis acid sites. Our results show that the bifunctional nature of the catalyst is critical in the efficient hydrodeoxygenation of furanics and provides insights toward the rational design of such catalysts.en
Type of ItemPeer-Reviewed Journal Publicationen
Type of ItemΔημοσίευση σε Περιοδικό με Κριτέςel
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-10-24-
Date of Publication2015-
Bibliographic CitationM.J. Gilkey, P. Panagiotopoulou, A.V. Mironenko, G.R. Jenness, D.G. Vlachos, B. Xu “Mechanistic Insights into Metal Lewis Acid-Mediated Catalytic Transfer Hydrogenation of Furfural to 2-Methylfuran” ACS catalysis, Vol. 5, no. 7, pp. 3988-3994, May 2015.DOI: 10.1021/acscatal.5b00586.en

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