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咔唑及其衍生物是一类重要的含氮杂环化合物,其分子具有较大的共轭体系和刚性结构,并容易在其骨架上引入不同基团进行化学修饰.此外,咔唑类化合物具有良好的荧光性能,其分子内所含的NH单元本身即可作为一个阴离子识别位点.总结了近年来咔唑类阴离子受体的研究进展,按受体分子的几何结构将其分为线型、钳形、环状、枝状、三足型、寡聚物和聚合物等,最后对该类受体的发展前景作了展望.
Carbazole and its derivatives are a kind of important nitrogen-containing heterocyclic compounds, whose molecules have large conjugated system and rigid structure, and easy to introduce different groups into their skeletons for chemical modification.In addition, carbazole compounds Has good fluorescence properties, and the NH units contained in the molecule itself can be used as an anion recognition site. The research progress of the carbazole anion acceptors in recent years is summarized. According to the geometry of the acceptor molecule, it is divided into lines Type, pincer, ring, dendritic, tripodal, oligomer and polymer. Finally, the prospect of this kind of receptor is prospected.