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Effects of Substituents on the Photophysical/Photobiological Properties of Mono-Substituted Corroles.

Vitória Barbosa de SouzaVinícius N da RochaPaulo Cesar PiquiniOtávio Augusto ChavesBernardo Almeida Iglesias
Published in: Molecules (Basel, Switzerland) (2023)
The trans -A 2 B-corrole series was prepared starting with 5-(pentafluorophenyl)dipyrromethene, which was then reacted with respective aryl-substituted aldehyde by Gryko synthesis. It was further characterized by HRMS and electrochemical methods. In addition, we investigated experimental photophysical properties (absorption, emission by steady-state and time-resolved fluorescence) in several solvents and TDDFT calculations, aggregation, photostability and reactive oxygen species generation (ROS), which are relevant when selecting photosensitizers used in photodynamic therapy and many other photo-applications. In addition, we also evaluated the biomolecule-binding properties with CT-DNA and HSA by spectroscopy, viscometry and molecular docking calculations assays.
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