Stable near-infrared anionic polymethine dyes: Structure, photophysical, and redox properties

被引：42

作者：

Bouit, Pierre-Antoine ^{[1
]}

Di Piazza, Emmanuel ^{[2
]}

Rigaut, Stephane ^{[2
]}

Le Guennic, Boris ^{[1
]}

Aronica, Christophe ^{[1
]}

Toupet, Loic ^{[2
]}

Andraud, Chantal ^{[1
]}

Maury, Olivier ^{[1
]}

机构：

[1] Univ Lyon, Chim Lab, CNRS, Ecole Normale Super Lyon,UMR 5182, F-69007 Lyon, France

[2] Univ Rennes 1, CNRS, UMR 6226, F-35042 Rennes, France

来源：

ORGANIC LETTERS | 2008年 / 10卷 / 19期

关键词：

D O I：

10.1021/ol801416n

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The concept of cyanine has been successfully extended to an anionic heptamethine dye featuring tricyanofuran (TCF) moieties in terms of structure, reactivity, and photophysical properties. Importantly, absorption and emission are red-shifted compared to its classical cationic analog without any cost in terms of thermal stability. In addition to its "cyanine" behavior, this molecule exhibits further redox properties: oxidation and reduction led to the reversible formation of radical species whose absorption is in marked contrast with that of cyanines.

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页码：4159 / 4162

页数：4

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