Fluorescent sensor based on dimesitylborylthiophene derivative for probing fluoride and cyanide

被引：30
作者：
Jia, Junhui [1 ]
Xue, Pengchong [1 ]
Zhang, Yuan [2 ]
Xu, Qiuxia [1 ]
Zhang, Gonghe [1 ]
Huang, Tianhao [3 ]
Zhang, Hanzhuang [3 ]
Lu, Ran [1 ]
机构：
[1] Jilin Univ, Coll Chem, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
[2] Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China
[3] Jilin Univ, Coll Phys, Changchun 130012, Peoples R China
来源：
TETRAHEDRON | 2014年 / 70卷 / 35期
基金：
中国国家自然科学基金;
关键词：
Sensor; Dimesitylboron; Fluoride; Cyanide; Two-photon fluoresence; 3-COORDINATE ORGANOBORON COMPOUNDS; CHARGE-TRANSFER EMISSION; PHOTOPHYSICAL PROPERTIES; OPTICAL-PROPERTIES; HYDROGEN-CYANIDE; TRIVALENT BORON; SINGLE-PHOTON; ACCEPTOR; ION; RECOGNITION;
D O I：
10.1016/j.tet.2014.06.114
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new D-pi-A dimesitylboron derivative with terminal phenothiazine bridged by fluorenevinyl (PFTB) has been synthesized. It was found that PFTB could selectively recognize fluoride and cyanide anions by naked eyes. Upon addition of F- and CN-, the color of the solution of PFTB in DCM turned to yellowish-green from yellow and strong green emitting was observed under UV light, while the emission of PFTB in DCM was weak. Moreover, the presence of 10 equiv of tetrabutylammonium salts of other anions, such as Cl-, Br-, I- , AcO-, HSO4-, H2PO4-, could not lead to obvious changes of the UV-vis absorption and the fluorescent emission spectra of PFTB. The detection limits of PFTB towards F- and CN- were 7.52x10(-8) mol/L and 6.12x10(-8) mol/L in DCM, respectively. Therefore, the D-pi-A type triarylborane derivatives can be used as 'turn on' fluorescent sensors for detecting F- and CN-. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：5499 / 5504
页数：6
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