Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 10, Issue 6, Pages 1445-1455Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200305321
Keywords
boron; fluorescent probes; structure-activity relationships; two-photon absorption
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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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