BODIPYs have a well‐established role in biological sciences as chemosensors and versatile biological markers due to their chemical reactivity, which allows for fine‐tuning of their photophysical characteristics. In this work, we combined the unique reactivity of arylazo sulfones with the advantages of a “sunflow” reactor to develop a fast, efficient, and versatile method for the photochemical arylation of BODIPYs and other chromophores. This approach resulted in red‐shifted emitting fluorophores due to extended electronic delocalization at the 3‐ and 5‐positions of the BODIPY core. This method represents an advantageous approach for BODIPY functionalization compared to existing strategies.
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Melo et al. (2024) studied this question.
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