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Influence of the anion on the oxidation of 5-hydroxymethylfurfural using platinum nanoparticle-ionic polymer supported catalysts

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author Siankevich Sviatlana, Mozzettini Simone, Bobbink Felix, Yan Ning, Fei Zhaofu, Dyson Paul J.,
Project Concurrent Transformation of Wood into Chemical Commodity Feedstocks
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Original article (peer-reviewed)

Journal ChemCatChem
Title of proceedings ChemCatChem


Platinum nanoparticles coated with an imidazolium-based cross-linked polymer (with chloride as the counter anion) efficiently catalyze the oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid in water under mild conditions using oxygen as the oxidant. In this paper we explore this catalyst system by varying the counter anion, i.e. replacing chloride by BF4-, PF6-, bis(trifluoromethylsulfonyl)imide, hexanoate or laurate anions, in the cationic polymer. The counter-anion influences both the structure of the obtained platinum nanoparticles and their catalytic activity. Highest reaction rates were obtained with the weakly-nucleophilic bis(trifluoromethylsulfonyl)imide anion leading to complete conversion of the substrate and a high yield of 2,5-furandicarboxylic acid under mild conditions.