期刊
MOLECULAR CATALYSIS
卷 524, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.mcat.2022.112253
关键词
Zirconium; Coordination polymer; Fructose; 5-Hydroxymethylfurfural; 2,5-Bishydroxymethylfuran
资金
- National Natural Sci-ence Foundation of China [22078275, 21978246]
- Key- Area Research and Development Program of Guangdong Province [2020B0101070001]
- PetroChina Innovation Foundation [2019D-5007-0413]
In this study, a Zirconium-based coordination polymer with tunable acid properties was successfully synthesized. The catalyst synthesized in water system exhibited high catalytic activity for fructose dehydration, while the catalyst synthesized in DMF efficiently catalyzed the transfer hydrogenation of HMF.
In this work, a porous Zirconium based coordination polymer (Zr-ATMP) was facilely synthesized at room temperature with amino tris(methylene phosphonic acid) (ATMP) as ligand, and the surface acidic sites could be adjusted in different solvents. Specifically, the coordination polymer with equivalent content of Bronsted and Lewis acid sites was synthesized in aqueous system, showing high-efficiency catalytic activity for fructose dehydration to 5-hydroxymethylfurfural (HMF). In comparison, the coordination polymer containing an abundance of Lewis acid sites was synthesized in DMF solvent, which efficiently catalyzed the transfer hydrogenation of HMF. Compared to the catalysts preparation in organic solvents, the coordinatively unsaturated Zr4+ could be hydrated in water during catalyst preparation, resulting in the generation of additional Bronsted acid sites at the cost of Lewis acid sites. This contribution proposed a facile approach to prepare Zr-based coordination polymer with tunable acid properties for biomass valorization.
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