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题名: A ratiometric fluorescent probe for fluoride ion based on naphthoimidazolium receptor
作者: Zou, Chunyan1;  Qiao, Qinglong1, 2;  Zhao, Miao2;  Mao, Deqi1, 2;  Wang, Danfeng1;  Feng, Lei1;  Cui, Jingnan1;  Xu, Zhaochao1, 2
刊名: RSC ADVANCES
发表日期: 2014
DOI: 10.1039/c4ra06062h
卷: 4, 期:82, 页:43746-43751
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: Three imidazolium derivatives 3-5 were designed and synthesized, in which naphthaimidazolium group acted as both fluorophore and anion receptor. Compound 3 exhibited high selectivity for F- in CH3CN solution over all the other anions and acted as a ratiometric fluorescent probe for F- with an enhanced blue-shift in emission. However, the fluorescence of compound 4 and 5 displayed a quenched blue-shift in emission with fluoride ion and could be quenched by some other tested anions, where the degree of quenching depended on the characteristic of the anions. More importantly, only compound 3 could detect F- in DMSO-water (95 : 5, v/v) aqueous solution ratiometrically. Based on the analysis of the results of H-1-NMR and F-19-NMR, it was deduced that compound 3 bound with F- mainly by the force of hydrogen bonding, while compound 4 and 5 coordinated with F- through electrostatic interaction.
关键词[WOS]: ANION-PI INTERACTION ;  RECOGNITION ;  SENSOR
语种: 英语
WOS记录号: WOS:000344526700059
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143212
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China

Recommended Citation:
Zou, Chunyan,Qiao, Qinglong,Zhao, Miao,et al. A ratiometric fluorescent probe for fluoride ion based on naphthoimidazolium receptor[J]. RSC ADVANCES,2014,4(82):43746-43751.
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