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Current Organic Chemistry

Editor-in-Chief

ISSN (Print): 1385-2728
ISSN (Online): 1875-5348

Research Article

A Novel C-glycosyl Rhodamine-based Fluorescent Sensor with a Thiourea Receptor for the Detection of Hg2+

Author(s): Chao Shen*, Linfang Wang, Linwei Zhao, Jianying Tong, Jianzhong Jin and Pengfei Zhang

Volume 22, Issue 13, 2018

Page: [1342 - 1346] Pages: 5

DOI: 10.2174/1385272822666180528100756

Price: $65

Abstract

A novel C-glycosyl rhodamine-based fluorescent sensor with a thiourea receptor has been readily synthesized and its fluorogenic behavior towards various metal ions was fully studied. It was found that the obtained target sensor exhibited good selectivity for Hg2+ over many other metal ions, which has been attributed to a binding mode of thiourea with thiophilic Hg2+, the sensor showed high selectivity and sensitivity to Hg2+ with a violent fluorescence enhancement at 580 nm. The sensing mechanism was explored by spectroscopic techniques and the IR analysis results demonstrated that a 1:1 mixture was formed between Hg2+ and the sensor.

Keywords: C-glycosyl, rhodamine-based, fluorescent sensor, thiourea receptor, thiophilic Hg2+, spectroscopic techniques.

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