Hg2+-selective OFF-ON and Cu2+-selective ON-OFF type fluoroionophore based upon cyclam

被引：274

作者：

Kim, SH ^{[1
]}

Kim, JS ^{[1
]}

Park, SM ^{[1
]}

Chang, SK ^{[1
]}

机构：

[1] Chung Ang Univ, Dept Chem, Seoul 156756, South Korea

来源：

ORGANIC LETTERS | 2006年 / 8卷 / 03期

关键词：

D O I：

10.1021/ol052282j

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new cyclam derivative having two different fluorophores of pyrene and NBD subunits was prepared, and its Hg2(-+) and Cu2+-selective signaling behaviors were investigated. The detection limits for the analysis of Hg2+- and Cu2+ ions were found to be 7.9 x 10(-6) and 2.6 x 10(-7) M in aqueous acetonitrile solution (H(2)0-CH3CN = 10:90, v/v), respectively. The compound also exhibited a selective Hg2+/Cu2+-induced OFF-ON-OFF type of signaling pattern that can be utilized for the construction of functional supramolecular switching systems.

引用

收藏

页码：371 / 374

页数：4

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