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Functionalized expanded corn starch‐anchored Cu(I): An efficient and recyclable catalyst for oxidation of 5‐hydroxymethylfurfural to 2,5‐diformylfuran
Author(s) -
Hong Mei,
Min Jie,
Wu Shuangyan,
Li Jiatong,
Wang Jing,
Wei Lifen,
Ling Zhi,
Li Kun,
Wang Shifa
Publication year - 2020
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/aoc.5411
Subject(s) - chemistry , catalysis , thermogravimetric analysis , x ray photoelectron spectroscopy , heterogeneous catalysis , fourier transform infrared spectroscopy , biomass (ecology) , chemical engineering , nuclear chemistry , organic chemistry , oceanography , engineering , geology
The development of new strategies for the synthesis of biomass‐based non‐precious metal heterogeneous catalysts has recently received great interest from chemists because of the advantages of these catalytic systems being sustainable, low cost and green. An expanded corn starch‐supported CuBr catalyst (ECS‐SB‐CuBr) has been successfully prepared and well characterized using Fourier transform infrared spectroscopy, thermogravimetric analysis, powder X‐ray diffraction, X‐ray photoelectron spectroscopy and scanning electron microscopy/energy‐dispersive X‐ray spectroscopy. Further, ECS‐SB‐CuBr was used as a heterogeneous catalyst for the selective oxidation of 5‐hydroxymethylfurfural (HMF) into 2,5‐diformylfuran (DFF) and a full HMF conversion is obtained with 98% DFF yield in acetonitrile under ambient pressure of dioxygen at 50°C. The catalyst also showed good reusability, could be easily recovered through filtration and washing and was reused in at least six consecutive runs with virtually no loss of catalytic performance.

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