A new auspicious scaffold for small dyes and fluorophores

An unprecedented chromophore, based on a nitrogen fused tricyclic heterocycle, is presented. This prototype molecule can be considered a “rigidified” monomethine cyanine dye and the central core is isoelectronic to pyridine-based BODIPY analogues, such as boron difluoride dipyridylmethene. The chrom...

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Veröffentlicht in:Dyes and pigments Jg. 197; S. 109849
Hauptverfasser: Volpi, Giorgio, Garino, Claudio, Priola, Emanuele, Barolo, Claudia
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier Ltd 01.01.2022
Schlagworte:
Dual emission fluorescent probe
Green light absorber
Monomethine cyanine
pH sensitive chromophore
Small dye
Small fluorophore
Small fluorophore
Green light absorber
Dual emission fluorescent probe
Monomethine cyanine
Small dye
pH sensitive chromophore
ISSN:0143-7208, 1873-3743
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Beschreibung
Zusammenfassung:An unprecedented chromophore, based on a nitrogen fused tricyclic heterocycle, is presented. This prototype molecule can be considered a “rigidified” monomethine cyanine dye and the central core is isoelectronic to pyridine-based BODIPY analogues, such as boron difluoride dipyridylmethene. The chromophore was synthesized and its photophysical properties examined. The new molecule can be considered the starting point to develop dyes, fluorophores or dual-emission fluorescent probes with excitation window in the green region of the spectrum.
ISSN:0143-7208
1873-3743
DOI:10.1016/j.dyepig.2021.109849