A Ratiometric Fluorescent On-Off Zn2+ Chemosensor Based on a Tripropargylamine Pyrene Azide Click Adduct

被引：119
|
作者：
Ingale, Sachin A.
Seela, Frank [1 ]
机构：
[1] Ctr Nanotechnol, Lab Bioorgan Chem & Chem Biol, D-48149 Munster, Germany
来源：
JOURNAL OF ORGANIC CHEMISTRY | 2012年 / 77卷 / 20期
关键词：
ZINC; SENSOR; CHEMISTRY; CD2+; OLIGONUCLEOTIDES; PROBE; IONS;
D O I：
10.1021/jo3014319
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new, easy-to-prepare and highly selective pyrene-linked tris-triazole amine fluorescent chemosensor has been designed from tripropargylamine and pyrene azide using Cu(I)-catalyzed click chemistry. The fluorescence on-off sensor 1 is highly selective for Zn2+ displaying a ratiometric change in emission. The relative intensity ratio of monomer to excimer fluorescence (M-376/E-465) of the sensor increases 80-fold upon the addition of 10 equiv of Zn2+ ions (with a detection limit of 0.2 mu M).
引用
收藏
页码：9352 / 9356
页数：5
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