2024
DOI: 10.1002/asia.202400885
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1,4‐Benzodioxane Substituted Aza‐BODIPY: Towards Photostable yet Efficient Triplet Photosensitizer

Łukasz Łapok,
Magdalena Obłoza,
Tomasz Pędziński
et al.

Abstract: We report herein the synthesis of aza‐BODIPY substituted with 1,4‐benzodioxane‐6‐yl substituents at 3,5 positions of the chromophore system. Both pyrrole rings of the aza‐BODIPY in question were substituted with bromine atoms in order to induce highly desirable photophysical properties, such as highly populated excited triplet state (T1) and long excited triplet‐state lifetime (τT) of 21 μs. The photosensitized oxygenation of a model compounds, viz. DPBF, points to a high singlet oxygen and/or other ROS format… Show more

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