Efficient oxidation of biomass derived 5-hydroxymethylfurfural into 2,5-furandicarboxylic acid catalyzed by MERRIFIELD RESIN (cas 70024-51-0) supported cobalt porphyrin

Add time:07/14/2019    Source:sciencedirect.com

In this study, a new method was developed for the oxidation of 5-hydroxymethylfurfural (HMF) into 2,5-furandicarboxylic acid (FDCA) over MERRIFIELD RESIN (cas 70024-51-0) supported Co(II)–meso-tetra(4-pyridyl)-porphyrin (abbreviated as Merrifield resin-Co-Py). Diffuse reflectance spectra showed that Co(II)–meso-tetra(4-pyridyl)-porphyrin was successfully bonded on the Merrifield resin. The Merrifield resin-Co-Py catalyst was used for the oxidation of HMF into FDCA, and several parameters were studied. Tert-butyl hydroperoxide was the best oxidant among other common oxidants. The reaction solvent greatly affected both HMF conversion and product selectivity. High HMF conversion of 95.6% and FDCA yield of 90.4% were obtained at 100 °C after 24 h. Time course of HMF conversion over Merrifield resin-Co-Py showed that 2,5-diformylfuran was the intermediate for the conversion of HMF into FDCA. The catalyst could be reused without the significant loss of its catalytic activity.

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