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A Woven Supramolecular Metal-Organic Framework Comprising a Ruthenium Bis(terpyridine) Complex and Cucurbit[8]uril: Enhanced Catalytic Activity toward Alcohol Oxidation.
ChemPlusChem ( IF 3.4 ) Pub Date : 2020-06-28 , DOI: 10.1002/cplu.202000391
Yun-Chang Zhang 1 , Zi-Yue Xu 1 , Ze-Kun Wang 1 , Hui Wang 1 , Dan-Wei Zhang 1 , Yi Liu 2 , Zhan-Ting Li 1
Affiliation  

The self‐assembly of a diamondoid woven supramolecular metal–organic framework wSMOF‐1 has been achieved from intertwined [Ru(tpy)2]2+ (tpy=2,2′,6′,2′′‐terpyridine) complex M1 and cucurbit[8]uril (CB[8]) in water, where the intermolecular dimers formed by the appended aromatic arms of M1 are encapsulated in CB[8]. wSMOF‐1 exhibits ordered pore periodicity in both water and the solid state, as confirmed by a combination of 1H NMR spectroscopy, UV‐vis absorption, isothermal titration calorimetry, dynamic light scattering, small angle X‐ray scattering and selected area electron diffraction experiments. The woven framework has a pore aperture of 2.1 nm, which allows for the free access of both secondary and primary alcohols and tert‐butyl hydroperoxide (TBHP). Compared with the control molecule [Ru(tpy)2]Cl2, the [Ru(tpy)2]2+ unit of wSMOF‐1 exhibits a remarkably higher heterogeneous catalysis activity for the oxidation of alcohols by TBHP in n‐hexane. For the oxidation of 1‐phenylethan‐1‐ol, the yield of acetophenone was increased from 10 % to 95 %.

中文翻译:

编织的双分子金属有机骨架,包含钌双(三联吡啶)配合物和葫芦[8] uril:增强的醇氧化催化活性。

交织的[Ru(tpy)2 ] 2+(tpy = 2,2',6',2''-terpyridine)络合物M1WSMOF-1构成了类金刚石编织的超分子金属有机框架wSMOF-1的自组装。水中的葫芦[8]尿素(CB [8]),其中由M1的附加芳香族臂形成的分子间二聚体被封装在CB [8]中。wSMOF-1在水和固态中均表现出有序的孔隙周期性,这由以下1的组合所证实H NMR光谱,紫外可见吸收,等温滴定量热法,动态光散射,小角X射线散射和选定区域电子衍射实验。机织骨架的孔径为2.1 nm,可自由接触仲,伯醇和丁基氢过氧化物(TBHP)。与对照相比,分子的[Ru(TPY)2 ]氯2,所述的[Ru(TPY)2 ] 2+的单元wSMOF-1表现出对醇的氧化通过TBHP显着更高的非均相催化活性Ñ正己烷。对于1-苯基乙-1-醇的氧化,苯乙酮的产率从10%增加到95%。
更新日期:2020-07-09
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