| Title | Influence of Dimethylsulfoxide and Dioxygen in the Fructose Conversion to 5-Hydroxymethylfurfural Mediated by Glycerol's Acidic Carbon |
|---|---|
| ID_Doc | 29769 |
| Authors | Tudino, TC; Nunes, RS; Mandelli, D; Carvalho, WA |
| Title | Influence of Dimethylsulfoxide and Dioxygen in the Fructose Conversion to 5-Hydroxymethylfurfural Mediated by Glycerol's Acidic Carbon |
| Year | 2020 |
| Published | |
| Abstract | Both the catalytic production of 5-hydroxymethylfurfural (5-HMF) from carbohydrates and the use of a catalyst obtained from residues stand out for adding value to by-products and wastes. These processes contribute to the circular economy. In this work it was evaluated optimized conditions for 5-HMF production from fructose with high yield and selectivity. The reaction was catalyzed by an acidic carbon obtained from glycerol, a byproduct of the biodiesel industry. Special attention has been given to the use of dimethyl sulfoxide (DMSO) as a solvent and its influence on system activity, both in the presence and absence of O-2. Glycerol's carbon with acidic properties can be effectively used as catalyst in fructose dehydration, allowed achieving conversions close to 100% with 5-HMF selectivities higher than 90%. The catalyst can be reused in consecutive batch runs. The influence of DMSO in the presence of O-2 should be considered in the catalytic activity, as the stabilization of a reaction intermediate by the [O-2:DMSO] complex is favored and, both fructose conversion and 5-HMF yield increase. |
| https://www.frontiersin.org/articles/10.3389/fchem.2020.00263/pdf |
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