Published in
Elsevier, Dyes and Pigments, 2(95), p. 400-407
DOI: 10.1016/j.dyepig.2012.04.009
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Vinyl-diazine triphenylamines and their N-methylated derivatives: synthesis, photophysical properties and application for staining DNA
Journal article published in 2012 by
Ana I. Aranda,
Sylvain Achelle,
Fabien Hammerer,
Florence Mahuteau-Betzer,
Marie-Paule Teulade-Fichou
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Abstract
In this paper we describe the synthesis of vinyl-diazine triphenylamines. These compounds exhibit strong green-yellow fluorescence in dichloromethane solution, important emission solvatochromism and acidochromism. Regioselective N-alkylation of these dyes provides cationic compounds that exhibit affinity for double-stranded DNA. Binding to the biopolymer results in a strong bathochromic shift and increase of the emission intensity.