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High-Efficiency Preparation of 2,5-diformylfuran with a Keto-ABNO Catalyst Under Mild Conditions

Transactions of Tianjin University 2019年第2期25卷 118-123页

作者： Le Li Yuefei Wang Wei Qi Rongxin Su Zhimin He State Key Laboratory of Chemical Engineering School of Chemical Engineering and Technology Tianjin University Tianjin Key Laboratory of Membrane Science and Desalination Technology Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)

In this paper, we report a new catalytic system for realizing the rapid and efficient oxidation of 5-hydroxymethylfurfural(HMF). First, we used 9-azabicyclo [3.3.1]nonan-3-one-N-oxyl(keto-ABNO) as a catalyst for the aerobic oxidation of 5-hydroxymethylfurfural(HMF) to 2,5-diformylfuran(DFF) in acetic acid. Then, we systematically studied the important reaction parameters, including the solvent, co-catalyst, and temperature. The results demonstrate that the acidic solvent used is crucial for the efficient oxidation of HMF to DFF. Under optimal conditions, we achieved a 93.4% yield of DFF within half an hour at room temperature. We also proposed the possible mechanism for this system.

关键词： Biomass 5-Hydroxymethylfurfural 2,5-diformylfuran 9-Azabicyclo[3.3.1]nonan-3-one-N-oxyl Homogeneous catalysis

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A Low-Cost and Easily Prepared Manganese Carbonate as an Effi cient Catalyst for Aerobic Oxidation of 5-Hydroxymethylfurfural to 2,5-diformylfuran

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Transactions of Tianjin University 2018年第4期24卷 301-307页

作者： Wei Qi Jie Fang 1 Zhenzhen Yang Bingqi Li Rongxin Su Zhimin He State Key Laboratory of Chemical Engineering School of Chemical Engineering and TechnologyTianjin UniversityTianjin 300350China Collaborative Innovation Center of Chemical Science and Engineering(Tianjin) Tianjin 300350China Tianjin Key Laboratory of Membrane Science and Desalination Technology Tianjin 300350China

A low-cost and easily prepared manganese carbonate(Mn CO_3) has been synthesized for catalytic conversion of 5-hydroxymethylfurfural(5-HMF) to 2,5-diformylfuran(DFF). The properties and morphology of the manganese carbonate were measured by SEM,XRD,TGA,BET and XPS. In this method,no harsh reaction conditions were required,and it was a simple and green process for the oxidation of 5-HMF into DFF. To achieve an optimum DFF yield,different reaction conditions,including reaction temperature,reaction time,catalyst amount,and solvents were investigated. Results from the experiments indicated that the highest DFF yield of 86.9% was obtained at 120 °C under atmospheric oxygen pressure after 6h. Finally,Mn CO_3 could be used at least five times with considerable stability.

关键词： 5-Hydroxymethylfurfural 2,5-diformylfuran Manganese carbonate Non-noble metal catalyst

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N-heterocyclic Carbene Catalysed Polymerisation of 2,5-diformylfuran

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Organic Polymer Material Research 2022年第2期4卷 1-6页

作者： Wouter Ruelens Fariba Mafakheri Viktor Van Lierde Mario Smet Department of Chemistry KU LeuvenLeuven3001Belgium Department of Polymer Chemistry School of ChemistryCollege of ScienceUniversity of Tehran14155-6455Iran

The biobased renewable monomer 2,5-diformylfuran is polymerised using various N-heterocyclic carbene(NHC)catalysts in dimethyl sulfoxide(DMSO)affording a low molar mass *** is shown that catalyst structure as well as the temperature and time the polymerization is running have a noticeable effect on its molar *** obtained material is characterized by nuclear magnetic resonance(NMR),thermogravimetric analysis(TGA),differential scanning calorimetry(DSC)and X-ray diffraction(XRD).An attempt at chain extension with diamine leads to precipitation of the *** new biobased polymer material might be useful as a sustainable resin.

关键词： Biobased polymer 2,5-diformylfuran NHC

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PIC catalysis based on polyoxometalates promoting 5-HMF oxidation in H_(2)O/MIBK biphase

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Chinese Chemical Letters 2023年第5期34卷 521-524页

作者： Qiwen Wang Wenwen Bu Zonghang Li Yu Qi Xiaohong Wang Key Lab of Polyoxometalate Science of Ministry of Education Faculty of ChemistryNortheast Normal UniversityChangchun 130024China

Novel polyoxometalate(POM)Pickering interfacial catalyst(PIC)was fabricated through loading(NH_(4))_(5)H_(6)PMo_(4)V_(8)O_(40)(PMo_(4)V_(8))on both alkyl and alkyl-amino groups functionalized silica ***_(4)V_(8)/SiO_(2)(C_(8)/C_(8)NH_(2)with molar ratio as 1:1)PIC system provided a new catalytic model for aerobic conversion of 5-hydroxymethylfurfural(5-HMF),as well as its recovery and product separation in H_(2)O/methyl isobutyl ketone(MIBK)biphase *** the ratio of PMo_(4)V_(8),C_(8)and C_(8)NH_(2)gave rise to variety in hydrophilicity and hydrophobicity for PMo_(4)V_(8)/SiO_(2)(C_(8)/C_(8)NH_(2)),which enhanced the transformation of 5-HMF to 2,5-diformylfuran(DFF)in H_(2)O/MIBK with 73.7%yield at 81.8%conversion than in H_(2)O or MIBK single phase.

关键词： Polyoxometalate Pickering interfacial catalyst 5-Hydroxymethylfurfural 2,5-diformylfuran Atmospheric O_(2)

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