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Abstract
Boron-based dipyrrin chromophores (BODIPY) have found widespread application over the last twenty years in fields as diverse as medicine and materials. Thus, several efforts have been placed to exchange boron with other elements, with the aim of developing materials with complementary luminescence properties. However, despite the attempts, the incorporation of other main-group elements in dipyrrin scaffolds remains still rare. We have successfully synthesized and characterized novel chromophores based on heavy pnictogens antimony and bismuth, SBIDIPY and BIDIPY. Solution stabilities have been investigated by VT-UV/Vis spectroscopy and the fluorescence emission studied and supported by computational analysis. We were also able to isolate for the first direct analog of BODIPY containing fluoride handles, which featured a strong intensity of fluorescence emission.
Supplementary materials
Title
Supporting Information
Description
Synthetic procedures, UV/Vis analysis, NMR spectra, and X-Ray data
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