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Frontispiece: Towards More Photostable, Brighter, and Less Phototoxic Chromophores: Synthesis and Properties of Porphyrins Functionalized with Cyclooctatetraene
Author(s) -
Ostapko Jakub,
Gorski Aleksander,
Buczyńska Joanna,
Golec Barbara,
Nawara Krzysztof,
Kharchenko Anastasiia,
Listkowski Arkadiusz,
Ceborska Magdalena,
Pietrzak Mariusz,
Waluk Jacek
Publication year - 2020
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.202087063
Subject(s) - cyclooctatetraene , chromophore , porphyrin , photochemistry , phototoxicity , chemistry , zinc , free base , triplet state , molecule , organic chemistry , biochemistry , in vitro , salt (chemistry)
Free bases and zinc porphyrins were substituted with cyclooctatetraene, a triplet quencher, in three different fashions in order to enhance their photostability. Large decrease of the lifetime of porphyrin triplet state was observed. Photostability has been significantly improved in oxygen‐free solutions. In non‐degassed solutions, the improvement has been achieved for zinc porphyrins, but not for the free bases. For more details see the Full Paper by J. Waluk, J. Ostapko et al. on page 16666.