基于苯并咪唑衍生物的有机超分子凝胶对Fe3+和F-的连续性专一检测识别

Continuous Specific Detection and Recognition of Fe3+ and F- by Organic Supramolecular Gel Based on Benzimidazole Derivatives

本文设计合成了一种成功引入Fe3+结合位点、信号报告基团的新型苯并咪唑衍生物G1。G1利用长烷基链间范德华力和苯并咪唑环间的π-π堆积作用能在含水体系中形成凝胶,并且能实现对Fe3+和F-的"开-关-开"式荧光识别,可以用作在含水体系中灵敏识别Fe3+和F-的新型超分子智能材料。

In this paper,a novel benzimidazole derivative G1 which successfully introduced Fe3+binding site and signal reporter group was designed and synthesized.G1 can form gel in aqueous system by van der Waals force between long alkyl chains andπ-πstacking action between benzimidazole rings,and can realize"on-off-on"fluorescence recognition of Fe3+and F-,which can be used as a novel supramolecular intelligent material for sensitive recognition of Fe3+and F-in aqueous system.