Diaroyl(methanato)boron difluoride compounds as medium-sensitive two-photon fluorescent probes |
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Authors: | Cogné-Laage Emmanuelle Allemand Jean-François Ruel Odile Baudin Jean-Bernard Croquette Vincent Blanchard-Desce Mireille Jullien Ludovic |
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Institution: | Département de Chimie, CNRS UMR 8640), Ecole Normale Supérieure, 24 rue Lhomond, 75231 Paris Cedex 05, France. |
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Abstract: | This paper evaluates the use of diaroyl(methanato)boron difluoride compounds for designing efficient fluorescent probes through two-photon absorption. Three different pathways allowing for the syntheses of symmetrical and dissymmetrical molecules are reported. The stable diaroyl(methanato)boron difluoride derivatives can be easily obtained in good yields. They exhibit a large one-photon absorption that is easily tuned in the near-UV range. Their strong fluorescence emission covers the whole visible domain. In addition to these attractive linear properties, several diaroyl(methanato)boron difluoride derivatives possess significant cross sections for two-photon absorption. The derived structure-property relationships are promising for designing new generations of molecules relying on the diaroyl(methanato)boron difluoride backbone. |
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Keywords: | boron fluorescent probes structure–activity relationships two‐photon absorption |
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