A fluorescent guest used to determinate the effective content of CB[8] and to further detect methyl viologen  

作　　者：Hao Chen Hui Yang Wen-Chao Xu Ye-Bang Tan 

机构地区：[1]Key Laboratory of Special Functional Aggregated Materials, Ministry of Education, Shandong University [2]School of Chemistry and Chemical Engineering, Shandong University

出　　处：《Chinese Chemical Letters》2013年第9期857-860,共4页中国化学快报（英文版）

基　　金：financial support from the National Basic Research Program of China(973 Program,No.2009CB930103);Natural Science Foundation of Shandong Province(No.ZR2011BM002)

摘　　要：A fluorescent pyrene derivate, N-allyl-l-pyrenemethylammonium hydrochloride （APA＊）, was reported to form a stable host-guest complex with cucurbit[8]uril （CB[8]）, and this property can be utilized to determinate the purity of CB[8] via emission titration. Moreover, the 1：1 complex of APA and CB[8] can further bind methyl viologen （MV^2＋）, which is the main ingredient of a widely used herbicide, providing a good method to detect MV^2＋, especially at low concentrations.A fluorescent pyrene derivate, N-allyl-l-pyrenemethylammonium hydrochloride （APA＊）, was reported to form a stable host-guest complex with cucurbit[8]uril （CB[8]）, and this property can be utilized to determinate the purity of CB[8] via emission titration. Moreover, the 1：1 complex of APA and CB[8] can further bind methyl viologen （MV^2＋）, which is the main ingredient of a widely used herbicide, providing a good method to detect MV^2＋, especially at low concentrations.

关 键 词：uril Supramolecular chemistry Fluorescence Host-guest chemistry 

分 类 号：TQ450.7[化学工程—农药化工] O657.3[理学—分析化学]