New 2,2′:6′,2"-terpyridines as colorimetric and fluorescent sensors for fluoride ions

被引：24
|
作者：
Cao, Qian-Yong [1 ]
Li, Ming [1 ]
Zhou, Li [1 ]
Wang, Zhong-Wei [2 ]
机构：
[1] Nanchang Univ, Dept Chem, Nanchang 330031, Peoples R China
[2] Shandong Univ Sci & Technol, Coll Mat Sci & Technol, Qingdao 266590, Peoples R China
来源：
RSC ADVANCES | 2014年 / 4卷 / 08期
关键词：
INTRAMOLECULAR PROTON-TRANSFER; PHOTOPHYSICAL PROPERTIES; ANION RECOGNITION; DRINKING-WATER; TRANSFER ESIPT; SCHIFF-BASE; STATE; RECEPTOR; COMPLEXATION; CHEMOSENSORS;
D O I：
10.1039/c3ra45143g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two new 2,2':6',2 ''-terpyridine receptors bearing phenol groups, 1 and 2, have been prepared by coupling 4'-(4-aminophenyl)-2,2':6',2 ''-terpyridine with salicylaldehyde or 4-hydroxybenzaldehyde. Both receptors show colorimetric and fluorescent response to F- over other anions in organic solvent. In addition, a strong intramolecular N center dot center dot center dot H-O hydrogen bond was found in 1, which is attributed to its weaker binding ability to F- than that of 2, and an Excited-State Intramolecular Proton Transfer (ESIPT) emission quenching process.
引用
收藏
页码：4041 / 4046
页数：6
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