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Molecules 2018, 23(9), 2289;

Design of Novel Pyrene-Bodipy Dyads: Synthesis, Characterization, Optical Properties, and FRET Studies

Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Mexico City CP 04510, Mexico
Author to whom correspondence should be addressed.
Received: 6 July 2018 / Revised: 13 August 2018 / Accepted: 4 September 2018 / Published: 7 September 2018
(This article belongs to the Special Issue Lumino and Fluorophores—Illuminating Science and Technology)
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A new series of dendronized bodipys containing pyrene units was synthesized and characterized. Their optical and photophysical properties were determined by absorption and fluorescence spectroscopy. This series includes three different compounds. The first one has an anisole group linked to the bodipy unit, which was used as the reference compound. In the second, the bodipy core is linked to a zero generation dendron with one pyrene unit. The third compound contains a first generation Fréchet-type dendron bearing two pyrene units. In this work, the combination pyrene-bodipy was selected as the donor-acceptor pair for this fluorescence resonance energy transfer (FRET) study. Doubtless, these two chromophores exhibit high quantum yields, high extinction coefficients, and both their excitation and emission wavelengths are located in the visible region. This report presents a FRET study of a novel series of pyrene-bodipy dendritic molecules bearing flexible spacers. We demonstrated via spectroscopic studies that FRET phenomena occur in these dyads. View Full-Text
Keywords: bodipy; pyrene; fluorescence resonance energy transfer (FRET) bodipy; pyrene; fluorescence resonance energy transfer (FRET)

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Porcu, P.; Vonlanthen, M.; González-Méndez, I.; Ruiu, A.; Rivera, E. Design of Novel Pyrene-Bodipy Dyads: Synthesis, Characterization, Optical Properties, and FRET Studies. Molecules 2018, 23, 2289.

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