LITHIUM RESPONSIVE FLUOROPHORES DERIVED FROM MONOAZA-12-CROWN-4 AND COUMARIN - THE INFLUENCE OF A METHOXY SIDE-ARM ON PHOTOPHYSICAL PROPERTIES

被引：12

作者：

BLACKBURN, C ^{[1
]}

BAI, MQ ^{[1
]}

LECOMPTE, KA ^{[1
]}

LANGMUIR, ME ^{[1
]}

机构：

[1] COVALENT ASSOCIATES,WOBURN,MA 01801

来源：

TETRAHEDRON LETTERS | 1994年 / 35卷 / 43期

关键词：

D O I：

10.1016/S0040-4039(00)78384-5

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The syntheses of fluorescent macrocycles in which monoaza-12-crown-4 is attached through nitrogen to the 7-position of a coumarin are described. Complexation with the lithium ion in MeCN solution results in large hypsochromic shifts in absorption maxima. Li+ binding shifts the fluorescence maximum to shorter wavelengths with an enhancement in intensity only if a methoxy side-arm is present.

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页码：7915 / 7918

页数：4

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