A 3-hydroxyflavone derivative as fluorescence chemosensor for copper and zinc ions

被引：8
作者：
Gao, Huiqin [1 ,2 ]
Wu, Xiangwen [3 ]
机构：
[1] Chongqing Univ, Fac Construct Management & Real Estate, 174 Shazhengjie, Chongqing 400044, Peoples R China
[2] Shandong Jianzhu Univ, Sch Management Engn, Lingang Dev Zone, 1000 Fengming Rd, Jinan 250101, Shandong, Peoples R China
[3] Shandong Normal Univ, Coll Chem Chem Engn & Mat Sci, Collaborat Innovat Ctr Functionalized Probes Chem, Key Lab Mol & Nano Probes,Minist Educ, 88 East Wenhua Rd, Jinan 250014, Shandong, Peoples R China
来源：
CHEMISTRY OF HETEROCYCLIC COMPOUNDS | 2018年 / 54卷 / 02期
关键词：
copper ion; hydroxyflavone; zinc ion; chemosensor; QUANTUM DOTS; LIVING CELLS; SUPRAMOLECULAR CHEMISTRY; CYANIDE ANIONS; METAL-IONS; PROBE; CU2+; ENVIRONMENT; PROGRESS; ESIPT;
D O I：
10.1007/s10593-018-2243-9
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A 3-hydroxyflavone derivative as fluorescence chemosensor for copper and zinc ions has been synthesized. Its recognition properties for copper and zinc ions in aqueous solution were investigated based on UV-vis absorption and fluorescence spectra change. The compound exhibits color change from colorless to yellow and quenching of green fluorescence in the presence of copper ions in aqueous solution due to coordination reaction. In turn, the addition of zinc ions induces the color change from colorless to green and fluorescence enhancement of the compound. The complex ratios between the sensor molecule and copper(zinc) ions are 1:1 and 1:2, respectively, based on the Job's plots and in situ mass spectra. Thus, this compound can selectively recognize copper and zinc ions, and the recognition also can be observed by naked eye.
引用
收藏
页码：125 / 129
页数：5
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