微型多孔材料
介孔材料
金属有机骨架
化学
配位聚合物
苯甲醛
配体(生物化学)
高分子化学
催化作用
化学工程
聚合物
无机化学
吸附
材料科学
有机化学
受体
工程类
生物化学
作者
Yafang Zhou,Yingxi Xu,Jianyu Guo,Siyong Zhang,Yan Lu
摘要
New core–shell structured metal–organic coordination polymer (CP) microspheres with a hierarchical microporous–mesoporous–macroporous structure are synthesized by a one-pot template-free method. The ligand L with a Schiff-base functional group is obtained by reacting 3-hydroxy-4-aminobenzoic acid with para-benzaldehyde. The coordination polymer microspheres (Zn-L-CP) are obtained by mixing the ligand L and zinc nitrate hexahydrate together under hydrothermal conditions. The resultant coordination polymer microspheres with a core–shell structure are characterized by FT-IR and solid state NMR spectroscopy, transmission and scanning electron microscopy, and nitrogen adsorption–desorption measurements. The obtained Zn-L-CP microspheres are proved to be effective heterogeneous catalysts for the deacetylation reaction with the merits of easy recycling and stability. The yield is 96% when using methanol as solvent, and the yield can remain at 90% after seven cycles.
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