Fluorescence sensing of ammonium and organoammonium ions with tripodal oxazoline receptors

被引：43

作者：

Ahn, KH

Ku, HY

Kim, Y

Kim, SG

Kim, YK

Son, HS

Ku, JK

机构：

[1] Pohang Univ Sci & Technol, Dept Chem, Pohang 790784, South Korea

[2] Pohang Univ Sci & Technol, Ctr Integrated Mol Syst, Div Mol & Life Sci, Pohang 790784, South Korea

来源：

ORGANIC LETTERS | 2003年 / 5卷 / 09期

关键词：

D O I：

10.1021/ol034041m

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

graphic A new class of fluorescence sensors for ammonium and organoammonium ions has been disclosed. One of the sensors, an alaninol-derived tripodal oxazoline (1a) shows significant fluorescence enhancement upon binding NH4+ but little response toward K+, Na+, and Mg2+ ions. Owing to its chiral environment, a phenylglycinol-derived tripodal oxazoline (1b) shows chiral discrimination in fluorescence upon binding enantiomeric guests.

引用

收藏

页码：1419 / 1422

页数：4

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