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Since FDCA is used as a substitute for the petrochemically produced terephthalic acid, the conversion of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid is particularly appealing. There are only few studies on the direct use of unrefined HMF solutions from biomass resources and the influence of remaining constituents on the catalytic processes. The oxidation of HMF in a solution obtained from hydrolysis and dehydration of saccharides in chicory roots was investigated in this study, but no further purification steps were carried out in this study.
Source link: https://europepmc.org/article/MED/35439346
The primary component in green polymers such as poly, 2,5-Furandicarboxylic acid is now one of the most widely used bio-sourced building blocks, representing a fully competitive competitor for terephthalic acid as well as the main component of green polymers such as poly. Several methods enable HMF to be converted into FDCA. This Report aims to give up-to-date overview of the latest HMF's main synthetic pathways to obtain FDCA, with a particular focus on process sustainability.
Source link: https://europepmc.org/article/MED/35438242
It is of concern that HMF's subsequent conversion to 2,5-furandicarboxylic acid, a'media-agnostic' catalysts that can be used in a variety of situations, from aqueous to biphasic, as well as organic media. The development of 2,5-diformylfuran was described here, as well as the lipase-mediated peroxidation of DFF to FDCA from HMF using galactose oxidase. In ethyl acetate-based biphasic or microaqueous systems, the conversion of HMF to 2,5-diformylfuran was carried out with success.
Source link: https://europepmc.org/article/MED/35438241
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