Simple efficient one-pot synthesis of 5-hydroxymethylfurfural and 2,5-diformylfuran from carbohydrates - Archive ouverte HAL Access content directly
Journal Articles Reaction Chemistry & Engineering Year : 2016

Simple efficient one-pot synthesis of 5-hydroxymethylfurfural and 2,5-diformylfuran from carbohydrates

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Abstract

2,5-Diformylfuran (DFF) and 5-hydroxymethylfurfural (HMF) are interesting platform compounds in the chemical industry. A sustainable one-pot procedure is reported for the transformation of carbohydrates into DFF. Mono-, di- and polysaccharides as well as crude biomass (straw and bran) have been transformed. Depolymerisation, glucose isomerisation to fructose, fructose dehydration and finally oxidation of HMF to DFF are involved. The optimised catalytic system contains boric acid in DMSO for HMF synthesis. Addition of sodium bromide and formic acid to the reaction mixture leads to the formation of DFF. Boric acid is mainly involved in depolymerization, isomerisation and dehydration. Large amounts of boric acid lead to the degradation of HMF. NaBr and water are involved in the selective oxidation of HMF. Formic acid is involved in the dehydration step and it accelerates the oxidation of HMF.
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hal-01840463 , version 1 (16-07-2018)

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Quentin Girka, Boris Estrine, Norbert Hoffmann, Jean Le Bras, Siniša Marinković, et al.. Simple efficient one-pot synthesis of 5-hydroxymethylfurfural and 2,5-diformylfuran from carbohydrates. Reaction Chemistry & Engineering, 2016, 1 (2), pp.176 - 182. ⟨10.1039/C5RE00004A⟩. ⟨hal-01840463⟩
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