The synthesis and characterization of novel coumarin-containing cyanine dyes via “Click” chemistry

The synthesis and characterization of novel coumarin-containing cyanine dyes via “Click”... Four novel cyanine dye derivatives (C-Cy(1–4)) in which a coumarin moiety is attached to benzoindole ring of asymmetric trimethine cyanine dyes or hemicyanine dye by 1,2,3-triazole have been successfully synthesized via “Click” reaction between the corresponding alkyl-end cyanine dyes and 3-azidocoumarin. Six reaction systems were employed to find the suitable “Click” conditions of cyanine dyes. It was found that the combination of DMF, CuI and di-i-propylethylamine (DIPEA) was the most excellent system for “Click” reaction. All of the compounds were characterized by 1H-NMR, MS, UV and FL. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

The synthesis and characterization of novel coumarin-containing cyanine dyes via “Click” chemistry

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Publisher
Springer Netherlands
Copyright
Copyright © 2008 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856708783623555
Publisher site
See Article on Publisher Site

Abstract

Four novel cyanine dye derivatives (C-Cy(1–4)) in which a coumarin moiety is attached to benzoindole ring of asymmetric trimethine cyanine dyes or hemicyanine dye by 1,2,3-triazole have been successfully synthesized via “Click” reaction between the corresponding alkyl-end cyanine dyes and 3-azidocoumarin. Six reaction systems were employed to find the suitable “Click” conditions of cyanine dyes. It was found that the combination of DMF, CuI and di-i-propylethylamine (DIPEA) was the most excellent system for “Click” reaction. All of the compounds were characterized by 1H-NMR, MS, UV and FL.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 15, 2009

References

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