4.6 Article

One-pot reductive etherification of 5-hydroxymethylfurfural into biofuel (2,5-bis(propoxymethyl) furan (BPMF)) using mixed catalyst ZrO(OH)2 and Zr-Hβ

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NEW JOURNAL OF CHEMISTRY
卷 47, 期 2, 页码 891-899

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ROYAL SOC CHEMISTRY
DOI: 10.1039/d2nj05662c

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This study successfully achieved the one-pot synthesis of 2,5-bis(propoxymethyl)furan from 5-hydroxymethylfurfural using a mixed heterogenous catalyst. The characterization of catalyst showed that the acid sites played a vital role in the selectivity of the product, resulting in high conversion and selectivity.
One pot synthesis of 2,5-bis(propoxymethyl)furan (BPMF) from 5-hydroxymethylfurfural (5-HMF) is essential and simultaneously difficult. In the present work, a mixed heterogenous catalyst (ZrO(OH)(2) and Zr-H beta) was used to study the conversion of 5-HMF to BPMF using 2-propanol as the hydrogen donor in a one-pot process. The prepared catalysts were characterized via temperature-programmed desorption of ammonia (NH3-TPD), powder X-ray diffraction, transmission electron microscopy, BET surface area, and Fourier transform infrared spectroscopy. The Bronsted acid sites and Lewis acid sites of the catalyst played a vital role in the selectivity for BPMF. Under the optimized reaction conditions (temperature of 140 degrees C, catalyst loading of 0.25 g, reaction time of 4 h and 5-HMF concentration of 1 g), 61.6% 5-HMF conversion and 91.23% BPMF selectivity were achieved.

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