DPA-substituted coumarins as chemosensors for zinc(II):: modulation of the chemosensory characteristics by variation of the position of the chelate on the coumarin

被引：137

作者：

Lim, NC ^{[1
]}

Brückner, C ^{[1
]}

机构：

[1] Univ Connecticut, Dept Chem, Storrs, CT 06269 USA

来源：

CHEMICAL COMMUNICATIONS | 2004年 / 09期

关键词：

D O I：

10.1039/b403448a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The sensory capabilities of two novel di(2-picolyl)amine (DPA)substituted coumarins are described and it is shown that the variation of the point of attachment of the DPA group to the coumarin framework controls their sensing behavior: the 4-substituted system is a CHEF-type sensor that shows a significant increase in fluorescence intensity upon Zn2+ binding, whereas the 3-substituted system is a ratiometric sensor.

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页码：1094 / 1095

页数：2

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