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Two new POMOF compounds constructed from polyoxoanions, metals and organic ligands
Journal of Solid State Chemistry ( IF 3.2 ) Pub Date : 2017-12-24 , DOI: 10.1016/j.jssc.2017.12.025
Li-Na Xiao , Hao Zhang , Ting-Ting Zhang , Xiao Zhang , Xiao-Bing Cui

Two new POMOF compounds, namely [PMo12V2O42][Cu3(4,4’-bpy)3]·(DABCO) (1) and [PMo10V4O42][Cu2(4,4’-bpy)2][Cu(phen)2]2 (2) (DABCO = triethylenediamine, bpy = bipyridine, phen = 1,10-phenanthroline)), have been synthesized and characterized by IR, UV–Vis, XRD, elemental analysis and X-ray diffraction analysis. Crystal structure analyses reveal that compounds 1 and 2 exhibit novel 2-D layered framework structures constructed from bi-capped Keggin molybdenum-vanadium polyoxoanions, metals and organic ligands, respectively. The main difference of the two compounds is that compound 2 contains both Cu2+ and Cu+ complexes. In addition, we also investigate the catalytic properties of the two compounds, both compound 1 and 2 are excellent catalysts for the epoxidation of styrene.



中文翻译:

由多氧阴离子,金属和有机配体构成的两种新的POMOF化合物

两种新的POMOF化合物,即[PMo 12 V 2 O 42 ] [Cu 3(4,4'-bpy)3 ]·(DABCO)(1)和[PMo 10 V 4 O 42 ] [Cu 2(4,4 '-bpy)2 ] [Cu(phen)2 ] 22)(DABCO =三亚乙基二胺,bpy =联吡啶,phen = 1,10-菲咯啉)),已通过IR,UV-Vis,XRD,元素分析和X射线衍射分析。晶体结构分析表明化合物12展示了分别由双封端的Keggin钼-钒聚氧阴离子,金属和有机配体构成的新型2-D层状骨架结构。两种化合物的主要区别在于化合物2同时包含Cu 2+和Cu +配合物。此外,我们还研究了这两种化合物的催化性能,化合物12都是苯乙烯环氧化的优良催化剂。

更新日期:2018-01-06
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