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Method to produce furandicarboxylic acid (FDCA) from 5-hydroxymethylfurfural (HMF)

United States Patent

April 11, 2017
View the Complete Patent at the US Patent & Trademark Office
A process to produce furandicarboxylic acid (FDCA). The process includes the steps of reacting a C6 sugar-containing reactant in a reaction solution comprising a first organic solvent selected from the group consisting of beta-, gamma-, and delta-lactones, hydrofurans, hydropyrans, and combinations thereof, in the presence of an acid catalyst for a time and under conditions wherein at least a portion of the C6 sugar present in the reactant is converted to 5-(hydroxymethyl)furfural (HMF); oxidizing the HMF into FDCA with or without separating the HMF from the reaction solution; and extracting the FDCA by adding an aprotic organic solvent having a dipole moment of about 1.0 D or less to the reaction solution.
Dumesic; James A. (Verona, WI), Motagamwala; Ali Hussain (Madison, WI)
Wisconsin Alumni Research Foundation (Madison, WI)
14/ 974,468
December 18, 2015
FEDERAL FUNDING STATEMENT This invention was made with government support under DE-FC02-07ER64494 awarded by the US Department of Energy. The government has certain rights in the invention.