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6433499 
Journal Article 
Porphyrin-based porous organic polymer-supported iron(III) catalyst for efficient aerobic oxidation of 5-hydroxymethyl-furfural into 2,5-furandicarboxylic acid 
Saha, B; Gupta, D; Abu-Omar, MM; Modak, A; Bhaumik, A 
2013 
Yes 
Journal of Catalysis
ISSN: 0021-9517
EISSN: 1090-2694 
299 
316-320 
Environmentally friendly and efficient synthesis of 2,5-furandicarboxylic acid (FDCA), a polyester building block chemical from biomass, was carried out in water by aerobic oxidation of 5-hydroxymethylfurfural (HMF) with highly cross-linked, robust structured, and thermally stable Feᴵᴵᴵ-porous organic polymer (Feᴵᴵᴵ-POP-1) material containing basic porphyrin subunits and iron metal center. EPR analysis confirmed that the catalyst retained the oxidation state of Fe(III) after catalysis and can be reused. 
5-Hydroxynethylfurfural (HMF); 2,5-Furandicarboxylic acid (FDCA); Porous organic polymer; Fe-III catalyst; Aerobic oxidation