期刊
CHEMICAL COMMUNICATIONS
卷 58, 期 98, 页码 13616-13619出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cc05529e
关键词
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资金
- National Natural Science Foundation of China (NSFC) [21801226]
- Natural Science Foundation of Zhejiang Province [LY20B010002, LQ22B010002]
- Zhejiang Normal University Fund
The development of novel systems for chiral polyoxometalates (POMs) is an attractive research field because of their fascinating topological structures and well-defined functions. Here, we have developed a new reaction route for the synthesis of two unprecedented chiral Waugh POM-based supramolecular architectures. The solution studies corroborate the weak interactions between the components.
The development of novel systems for chiral polyoxometalates (POMs) is an attractive research field because of their fascinating topological structures and well-defined functions. Herein, we have developed a new reaction route for the synthesis of two unprecedented chiral Waugh POM-based supramolecular architectures. Single-crystal X-ray diffraction reveals that the architectures exhibit a wavy three-dimensional framework and bamboo-rod-connected framework upon regulating the size of the cyclodextrin and the stacking pattern of the D-3 symmetric Waugh {MnMo9}. Solution studies using NMR, circular dichroism and isothermal titration calorimetry corroborate nicely the very weak interactions between the components. The intricate chiral microenvironment originating from the hybrid frameworks may be responsible for the selective recognition of the ?-{MnMo9} enantiomer. This study highlights the importance of the asymmetric configuration of the POM for designing CD/POM assemblies and understanding their chirality.
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