Synthesis and Characterization of New γ-Substituted Pentamethine Cyanine Dyes

Three novel pentamethine cyanine dyes with 3,5-dimethylpyridinium-1-yl and 4-benzylpyridinium-1-yl substituents in γ position of the methine chain were synthesized via a three-step procedure. The visible spectral behavior of these pentamethine cyanine dyes was examined in DMSO. Elemental analysis, I...

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Bibliographic Details
Published in:Synthetic communications 2010-11, Vol.40 (24), p.3594-3602
Main Authors: Mehranpour, A. M., Hashemnia, S., Maghamifar, R.
Format: Article
Language:English
Subjects:
3,5-dimethylpyridinium-1-yl
4-Benzylpyridinium-1-yl
pentamethine cyanine dyes
substitute
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Summary:Three novel pentamethine cyanine dyes with 3,5-dimethylpyridinium-1-yl and 4-benzylpyridinium-1-yl substituents in γ position of the methine chain were synthesized via a three-step procedure. The visible spectral behavior of these pentamethine cyanine dyes was examined in DMSO. Elemental analysis, IR, 1 H-NMR, 13 C-NMR, and Mass spectral data confirmed the molecular structure of the newly synthesized compounds.
ISSN:0039-7911
1532-2432
DOI:10.1080/00397910903457290