2024-03-29T09:33:53Zhttps://repositori.uji.es/oai/requestoai:repositori.uji.es:10234/1703492022-10-28T16:35:29Zcom_10234_7053com_10234_9col_10234_8639
Repositori UJI
author
Beltrán Beltrán, Alicia
author
Burguete, M. Isabel
author
Luis, Santiago V.
author
Galindo, Francisco
2017-11-23T12:31:17Z
2017-11-23T12:31:17Z
2017-08-31
BELTRÁN BELTRÁN, Alicia; BURGUETE AZCÁRATE, María Isabel; LUIS LAFUENTE, Santiago Vicente; GALINDO HONRUBIA, Francisco. Styrylpyrylium Dyes as Solvent-Sensitive Molecules Displaying Dual Fluorescence. European Journal of Organic Chemistry (2017), Volume 2017, Issue 32, p. 4864–4870
http://hdl.handle.net/10234/170349
http://dx.doi.org/10.1002/ejoc.201700815
A series of new molecules showing solvent-sensitive UV/Vis spectroscopic properties have been synthesized and characterized. The new compounds share a common 6-styryl-2,4-disubstituted pyrylium architecture, which allows for visible light excitation (at 400–600 nm) leading to two well-resolved fluorescence bands (separated by up to 200 nm). The photophysical characteristics of the emissions depend on the polarity of the medium, being in apolar solvents highly emissive fluorescent (with quantum yields of ca. 0.6) and displaying the longest wavelength emission (at up to 650 nm). On the other hand, the emission in polar solvents is weaker and centered at shorter wavelengths. The probes are highly hydrophobic which allows their selective accumulation in phosphatidylcholine liposomes.
eng
Pyrylium dyes
Solvatochromism
Fluorescence
UV/Vis spectroscopy
Environmentsensitive probes
Styrylpyrylium Dyes as Solvent-Sensitive Molecules Displaying Dual Fluorescence
info:eu-repo/semantics/article
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