醌
水溶液
乙二胺
化学
支柱
溶剂
超分子化学
荧光
组合化学
有机化学
高分子化学
分子
光化学
工程类
物理
结构工程
量子力学
作者
Jin Wang,Moupan Cen,Jian Wang,Di Wang,Yue Ding,Guohua Zhu,Bing Lu,Xiaolei Yuan,Yan Wang,Yong Yao
标识
DOI:10.1016/j.cclet.2021.08.044
摘要
Water-soluble pillar[5]arenes are a class of typical macrocycles and have aroused tremendous attention for its easy to modify, abundant host-guest properties and extensive applications. However, up to now, all the reported water-soluble pillar[5]arenes acted as the host molecules, whereas they failed to be postsynthetically modified, which seriously impeded the development of the pillar[5]arene-based supramolecular chemistry. In this work, a new water-soluble pillar[5]arene, pillar[4]arene[1]quinone, was designed and synthsized with eight quaternary ammonium groups as well as a quinone units. Such a new water-soluble pillar[4]arene[1]quinone was capable of forming 1:1 stable complex with sodium 1-octanesulfonate in aqueous solution. Since the 1,4-quinone unit of WP[4]Q[1] could react with ethylenediamine (EDA) to form a conjugated quinoxaline structure, so pillar[4]arene[1]quinone could apply to the facile fluorescence turn-on sensing of EDA in aqueous solution, organic solvent and air.
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