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Controlling Vilsmeier-Haack processes in meso-methylBODIPYs: A new way to modulate finely photophysical properties in boron dipyrromethenes

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https://doi.org/10.1016/j.dyepig.2017.02.030

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2017

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Elsevier
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https://hdl.handle.net/20.500.14352/18156

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Palao Utiel, E., Montalvillo Jiménez, L., Esnal Martínez, I. et al. «Controlling Vilsmeier-Haack Processes in Meso-methylBODIPYs: A New Way to Modulate Finely Photophysical Properties in Boron Dipyrromethenes». Dyes and Pigments, vol. 141, junio de 2017, pp. 286-98. DOI.org (Crossref), https://doi.org/10.1016/j.dyepig.2017.02.030.

Abstract

In the herein work we report the fine and selective control of competitive processes when submitting meso-methylBODIPYs to Vilsmeier-Haack reaction conditions. These competitive processes generate BODIPYs with opposed photophysical properties, from highly fluorescent dyes enabling laser emission, to non-fluorescent singlet-oxygen photosensitizers. The synthetic control is exerted on the basis of the structure of the starting BODIPY, as well as the electrophilic character (hard or soft) of the formylating reagent.

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Optica (Química), Química orgánica (Química)

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2306 Química Orgánica

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