Styrylpyrylium Dyes as Solvent-Sensitive Molecules Displaying Dual Fluorescence
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Other documents of the author: Beltrán Beltrán, Alicia; Burguete, M. Isabel; Luis, Santiago V.; Galindo, Francisco
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comunitat-uji-handle2:10234/7053
comunitat-uji-handle3:10234/8639
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http://dx.doi.org/10.1002/ejoc.201700815 |
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Title
Styrylpyrylium Dyes as Solvent-Sensitive Molecules Displaying Dual FluorescenceDate
2017-08-31Publisher
WileyBibliographic citation
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. 4864–4870Type
info:eu-repo/semantics/articlePublisher version
http://onlinelibrary.wiley.com/doi/10.1002/ejoc.201700815/fullVersion
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Abstract
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 ... [+]
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. [-]
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European Journal of Organic Chemistry (2017), issue 32Investigation project
This work was financially supported by 1) the Ministerio de Economía y Competitividad (MINECO) (CTQ2015-68429-R); 2) GV (PROMETEO/2016/071), and 3) UJI (P1·1B2015-76); 4) Spanish Ministerio de Educación, Cultura y Deporte (MECD) through an FPU fellowshipRights
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info:eu-repo/semantics/restrictedAccess
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