A Novel Complex of Thiourea Receptor with Gadolinium Ion as a Compound Selective Recognition of Fluoride Ion

Acta Chimica Sinica ›› 2011, Vol. 69 ›› Issue (06): 709-712. Previous Articles Next Articles

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新型硫脲分子-Gd(III)配合物对氟离子的选择性识别研究

朱玉莲¹，张小燕¹，张岐*^{,1,2，戴雪芹²，吴静波¹}

(¹江苏大学化学化工学院镇江 212013)
(²海南大学海南省精细化工重点实验室海口 570228)

投稿日期:2010-05-06 修回日期:2010-11-18 发布日期:2010-11-26
通讯作者: 戴雪芹 E-mail:714944908@qq.com
基金资助:
国家自然科学基金项目;海南大学奖励基金;海南省自然科学基金

A Novel Complex of Thiourea Receptor with Gadolinium Ion as a Compound Selective Recognition of Fluoride Ion

Zhu Yulian¹ Zhang Xiaoyan¹ Zhang Qi*^{,1,2 Dai Xueqin² Wu Jingbo¹}

(¹School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013)
(²Hainan Provincial Key Laboratory of Fine Chemistry, Hainan University, Haikou 570228)

Received:2010-05-06 Revised:2010-11-18 Published:2010-11-26

Abstract

The compound 2,2 -(1,4-phenylenebis(methylene)) bis(hydrazinecarbothioamide) was synthesized and its complex with gadolinium was studied as an anion receptor. The binding properties of the receptor with anions were investigated by UV-Vis spectroscopy. The absorption spectra of the receptor in DMSO in the presence of F^－ underwent substantial changes, with appearing a new band at 426 nm and a clear isosbestic point. The UV-Vis spectroscopic titration experiments indicated the formation of 1∶1 complex between the receptor and F^－. The receptor holds promise to be used as an optical chemosensor with naked-eyes.

Key words: thiourea, Gd(III) complex, anion recognition, UV-Vis absorption spectra, chemosensor

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新型硫脲分子-Gd(III)配合物对氟离子的选择性识别研究

A Novel Complex of Thiourea Receptor with Gadolinium Ion as a Compound Selective Recognition of Fluoride Ion

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