A new approach for the aerobic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxyl

A new approach for the aerobic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid without using transition metal catalysts

Lu Zhang;Xiaolan Luo;Yebo Li

【期刊名称】《天然气化学（英文版）》 【年(卷),期】2018(027)001

【摘要】The organic compound 2,5-furandicarboxylic acid (FDCA) has been identified by the US Department of Energy (DOE) as a valuable platform

chemical

for

a

wide

range

of

industrial

applications.Currently,the most popular route for FDCA synthesis is reported to be the oxidation of 5-hydroxymethylfurfural (HMF) by O2 over the catalysis of noble metals (e.g.,Au,Pt,Ru,and Pd).However,the high costs of noble metal catalysts remain a major barrier for producing FDCA at an industrial scale.Herein,we report a transition metal-free synthesis strategy for the oxidation of HMF to FDCA under O2 or ambient air.A simple but unprecedented process for the aerobic oxidation of HMF was carried out in organic solvents using only bases as the promoters.According to the high performance liquid chromatography (HPLC) analysis,excellent product yield (91％) was obtained in the presence of NaOH in dimethylformamide (DMF) at room temperature (25 ℃).A plausible mechanism for the NaOH-promoted aerobic oxidation of HMF in DMF is also outlined in this

paper.After the reaction,the sodium salt of FDCA particles were dispersed in the reaction mixture,making it possible for product separation and solvent reuse.The new HMF oxidation approach is expected to be a practical alternative to current ones,which depend on the use of noble metal catalysts. 【总页数】7页(243-249) 【关键词】

【作者】Lu Zhang;Xiaolan Luo;Yebo Li

【作者单位】Department of Food, Agricultural and Biological Engineering, Ohio Agricultural Research and Development Center, The Ohio State University, 1680 Madison Avenue, Wooster, OH 44691-4096, USA;Department of Food, Agricultural and Biological Engineering, Ohio Agricultural Research and Development Center, The Ohio State University, 1680 Madison Avenue, Wooster, OH 44691-4096, USA;Department of Food, Agricultural and Biological Engineering, Ohio Agricultural Research and Development Center, The Ohio State University, 1680 Madison Avenue, Wooster, OH 44691-4096, USA;Quasar Energy Group, 8600 E.Pleasant Valley Rd, Independence, OH 44131, USA 【正文语种】英文 【中图分类】 【文献来源】

https://www.zhangqiaokeyan.com/academic-journal-cn_natural-gas-chemistry-english_thesis/0201218486753.html 【相关文献】

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