Ethynylated Triphenylamine Monoboronic acid Chemosensors: Experimental and Theoretical Studies

被引：6

作者：

Chi, Lina ^{[1
]}

Wu, Yubo ^{[1
]}

Zhang, Xin ^{[1
]}

Ji, Shaomin ^{[1
]}

Shao, Jingyin ^{[1
]}

Guo, Huimin ^{[2
]}

Wang, Xin ^{[3
]}

Zhao, Jianzhang ^{[1
]}

机构：

[1] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116012, Peoples R China

[2] Dalian Univ Technol, Sch Chem Engn, Dept Chem, Dalian 116012, Peoples R China

[3] Sichuan Univ, Fac Chem, Chengdu 610064, Peoples R China

来源：

JOURNAL OF FLUORESCENCE | 2010年 / 20卷 / 06期

关键词：

Boronic acid; Fluorescent chemosensors; DFT; PET; PHOTOINDUCED ELECTRON-TRANSFER; ENANTIOSELECTIVE FLUORESCENT SENSOR; INTRAMOLECULAR CHARGE-TRANSFER; BORONIC ACID; PHOTOPHYSICAL PROPERTIES; ARTIFICIAL RECEPTORS; BISBORONIC ACID; DERIVATIVES; DESIGN; RECOGNITION;

D O I：

10.1007/s10895-010-0677-2

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

New ethynylated triphenylamine boronic acid sensors 1 and 2 were designed and the photophysical properties, as well as the binding with tartaric acid and mandelic acid were studied. We found the emission intensity of the sensors is sensitive to the polarity of the solvents and the emission of sensor 2 is sensitive to protic solvents. Theoretical calculations on the low-lying excited states of these sensors predicted d-PET effect. Experimental observations show either a-PET effect or no significant PET effect for the sensors. The sensitivity of the emission of the sensors toward solvent polarity is used to rationalize the observed emission intensity-pH profiles.

引用

页码：1255 / 1265

页数：11

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