Synthesis and evaluation of a novel fluorescent sensor based on hexahomotrioxacalix[3]arene for Zn2+ and Cd2+

被引：16

作者：

Jiang, Xue-Kai ^{[1
]}

Ikejiri, Yusuke ^{[1
]}

Jin, Cheng-Cheng ^{[1
]}

Wu, Chong ^{[1
]}

Zhao, Jiang-Lin ^{[1
]}

Ni, Xin-Long ^{[2
]}

Zeng, Xi ^{[2
]}

Redshaw, Carl ^{[3
]}

Yamato, Takehiko ^{[1
]}

机构：

[1] Saga Univ, Fac Sci & Engn, Dept Appl Chem, Honjo Machi 1, Saga 8408502, Japan

[2] Guizhou Univ, Key Lab Macrocycl & Supramol Chem Guizhou Prov, Guiyang 550025, Guizhou, Peoples R China

[3] Univ Hull, Dept Chem, Cottingham Rd, Kingston Upon Hull HU6 7RX, Yorks, England

来源：

TETRAHEDRON | 2016年 / 72卷 / 32期

基金：

英国工程与自然科学研究理事会;

关键词：

Hexahomotrioxacalix[3]arene; Metal ion recognition; Pyrenyl-appended triazole; Fluorescent sensor; Zinc cation; CLICK CHEMISTRY; INCLUSION PROPERTIES; IONS; RECOGNITION; DERIVATIVES; RECEPTORS; CHEMOSENSOR; DESIGN; CU2+; GLYCOCLUSTERS;

D O I：

10.1016/j.tet.2016.06.055

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A novel type of selective and sensitive fluorescent sensor having triazole rings as the binding sites on the lower rim of a hexahomotrioxacalix[3]arene scaffold in a cone conformation is reported. This sensor has desirable properties for practical applications, including selectivity for detecting Zn2+ and Cd2+ in the presence of excess competing metal ions at low ion concentration or as a fluorescence enhancement type chemosensor due to the cavity of calixarene changing from a 'flattened-cone' to a more-upright form and inhibition of PET. In contrast, the results suggested that receptor 1 is highly sensitive and selective for Cu2+ and Fe3+ as a fluorescence quenching type chemosensor due to the photoinduced electron transfer (PET) or heavy atom effect. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：4854 / 4858

页数：5

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