Switching the recognition preference of rhodamine B spirolactam by replacing one atom: Design of rhodamine B thiohydrazide for recognition of Hg(II) in aqueous solution

被引：380

作者：

Zheng, H ^{[1
]}

Qian, ZH

Xu, L

Yuan, FF

Lan, LD

Xu, JG

机构：

[1] Xiamen Univ, Minist Educ, Key Lab Analyt Sci, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Coll Chem & Chem Engn, Dept Chem, Xiamen 361005, Peoples R China

来源：

ORGANIC LETTERS | 2006年 / 8卷 / 05期

关键词：

D O I：

10.1021/ol0529086

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new chemosensor based on rhodamine B thiohydrazide is described. Chemosensor B was found to show a reversible dual chromo- and fluorogenic response toward Hg2+ in aqueous solution in a highly selective and sensitive manner. This was suggested to result from the coordination of Hg2+ at the N, S binding sites in B to open its spiro ring.

引用

页码：859 / 861

页数：3

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