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Switching of the solid-state guest selectivity: solvent-dependent selective guest inclusion in a crystalline macrocyclic boronic ester

机译:固态客体选择性的转换:结晶大环硼酸酯中溶剂依赖的选择性客体包含

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摘要

Selective inclusion of each of bicyclic and tricyclic aromatic guest molecules was realized utilizing the self-assembly of a crystalline benzothiadiazole-type macrocyclic boronic ester. The complete switching of the guest selectivity was achieved simply by changing the cosolvent used in the formation of the crystalline host–guest complexes. Both the association free energy of host–guest complexes and the stability of packing structure were found to play important roles for the determination of the guest selectivity in this system, and the critical role of solvent molecules in the crystalline state for the switching phenomena was clarified.
机译:利用结晶苯并噻二唑型大环硼酸酯的自组装实现了对双环和三环芳族客体分子的选择性包容。只需改变结晶主体-客体复合物形成过程中使用的助溶剂,即可实现客体选择性的完全转换。发现主客体配合物的缔合自由能和堆积结构的稳定性对于确定该系统中的客体选择性都起着重要作用,并且阐明了溶剂分子在结晶状态下对于转换现象的关键作用。 。

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