A new highly selective calix[4]crown-6 fluorescent caesium probe

被引：83

作者：

Ji, HF ^{[1
]}

Dabestani, R ^{[1
]}

Brown, GM ^{[1
]}

Sachleben, RA ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Div Chem & Analyt Sci, Oak Ridge, TN 37831 USA

来源：

CHEMICAL COMMUNICATIONS | 2000年 / 10期

关键词：

D O I：

10.1039/a908720f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We have synthesized 1,3-alternate di-deoxygenated calix[4](9-cyano-10-anthrylmethyl)benzocrown-6, 1 and 1,3-alternate calix[4](9-cyano-10-anthrylmethyl)benzocrown-6, 2 as the second generation of caesium selective fluorescent probes; probe 1 shows 54-fold fluorescence enhancement upon caesium complexation while 2 exhibits only 8-fold enhancement; the selectivity ratios for 1 to complex caesium ion over potassium and rubidium (K-Cs/K-K and K-Cs/K-Rb) are ca. 10 fold higher than those of 2 for the same ions; the observed selectivity ratios are consistent with data reported for other 1,3-alternate calix[4]crown-6 derivatives.

引用

页码：833 / 834

页数：2

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