A new rhodamine-based fluorescent chemosensor for transition metal cations synthesized by one-step facile condensation

被引：138

作者：

Zhang, Xuan

Shiraishi, Yasuhiro ^{[1
]}

Hirai, Takayuki

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Res Ctr Solar Energy Chem, Toyonaka, Osaka 5608531, Japan

[2] Osaka Univ, Grad Sch Engn Sci, Div Chem Engn, Toyonaka, Osaka 5608531, Japan

来源：

TETRAHEDRON LETTERS | 2007年 / 48卷 / 31期

关键词：

D O I：

10.1016/j.tetlet.2007.05.171

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new rhodamine-based fluorescent chemosensor (1) for transition metal cations was synthesized by one-step facile condensation of rhodamine B and 2-aminopyridine. Without metal cations, I is colorless and nonfluorescent, whereas addition of metal cations (Fe3+, Hg2+, Pb2+, and Fe2+) leads to an obvious color change to pink and an appearance of orange fluorescence. (c) 2007 Elsevier Ltd. All rights reserved.

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页码：5455 / 5459

页数：5

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