Colorimeric and fluorescence ON–OFF probe for acetate anion based on thiourea derivative: Theory and experiment

X Shang, S Tian, N Xi, Y Li, Y Liu, Z Yin, J Zhang…

Index: Shang, Xuefang; Tian, Shuanbao; Xi, Nankai; Li, Yue; Liang, Dong; Liu, Yun; Yin, Zhenya; Zhang, Jinlian; Xu, Xiufang Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2013 , vol. 103, p. 276 - 281

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Citation Number: 2

Abstract

Based on thiourea moiety, three colorimetric and fluorescent anion probes have been synthesized. Results indicated the probe 1 containing p-NO2 group showed the strongest binding ability for AcO− among the anions tested (F−, AcO−, H2PO4-, Cl−, Br−, I−), which was not influenced by the existence of other anions. The interaction of host–guest was accompanied with a dramatic color change from colorless to orange. However, the ...