A first report on the synthesis and comparative in vitro–in vivo photosensitizing efficacy of various fluorinated and the corresponding nonfluorinated, purpurinimide-based photosensitizers is discussed. In preliminary in vivo screening, compared with the nonfluorinated analogs, purpurinimides bearing trifluoromethyl substituents showed enhanced photosensitizing efficacy. Among compounds (isomers) with similar lipophilicity, the position of the substituents was found to play a decisive role in biological efficacy.
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1 November 2002
A First Comparative Study of Purpurinimide-based Fluorinated vs. Nonfluorinated Photosensitizers for Photodynamic Therapy
Amy L. Gryshuk,
Andrew Graham,
Suresh K. Pandey,
William R. Potter,
Joseph R. Missert,
Allan Oseroff,
Thomas J. Dougherty,
Ravindra K. Pandey
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Photochemistry and Photobiology
Vol. 76 • No. 5
November 2002
Vol. 76 • No. 5
November 2002
