Crystalline porous ionic salts assembled from polyoxometalates and cationic capsule for the selective photocatalytic aerobic oxidation of aromatic alcohols to aldehydes

Crystalline porous ionic salts assembled from polyoxometalates and cationic capsule for the selective photocatalytic aerobic oxidation of aromatic alcohols to aldehydes
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由多金属氧酸盐和阳离子胶囊组装而成的结晶多孔离子盐,用于芳香醇选择性光催化有氧氧化为醛

DOI:
10.1016/j.cclet.2022.04.042
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发表时间:
2022-04
影响因子:
9.1
通讯作者:
Weimin Xuan
Weimin Xuan
中科院分区:
化学1区
文献类型:
--
作者:
Qianxia Gu;Xiao-Li Zhao;Min Meng;Zhiyu Shao;Qi Zheng;Weimin Xuan

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结晶多孔离子盐(CPIS)代表了一种新型的通过静电相互作用构建的多孔材料,然而,合成具有预先设计的功能同时表现出永久多孔性的CPIS仍然具有挑战性。本文报道了一系列由具有光催化活性的聚氧乙烯酸酯(POM)簇和阳离子Zr基胶囊构建的CPISs 1 - 3的简易合成方法,这些CPISs 1 - 3具有开放的多孔骨架,BET比表面积高达33 m2/g,对光驱动的醇类有氧氧化为醛类具有高活性和选择性。与未反应的POM团簇{W10}相比,由于预先安装的{W10}和Zr基胶囊的协同催化作用以及开放通道,1可以更高的效率促进反应。这项工作突出了CPIS作为多孔多相催化剂在有机转化中的优势,并可能为更精细的CPIS衍生功能材料的合理设计提供启示。
Crystalline porous ionic salts (CPISs) represent a new type of porous materials constructed by electrostatic interaction, however, synthesis of CPISs bearing pre-designed functionality while exhibiting permanent porosity is still challenging. Herein we report the facile synthesis of a series of CPISs1-3built from photocatalytic-active polyoxometalate (POM) clusters and cationic Zr-based capsules, which showed open porous frameworks with BET surface area up to 33 m2/g and high activity and selectivity for photo-driven aerobic oxidation of alcohols to aldehydes. Compared with the pristine POM cluster {W10},1can promote the reaction in much higher efficiency due to the concerted catalysis of preinstalled {W10} and Zr-based capsule together with open channels. This work highlights the advantage of CPISs as porous heterogeneous catalysts in organic transformation, and may shed light on the rational design of more delicate CPISs-derived functional materials.
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