Syntheses of monosulfonated phthalocyanines, benzonaphthoporphyrazines and porphyrins via the Meerwein reaction
Abstract
A variety of monosulfonated phthalocyanine, benzonaphthoporphyrazine and porphyrin derivatives have been prepared as single positional isomers in moderate to high yield using modified Meerwein reaction conditions. These amphiphilic dyes have a potential application as photosensitizers in the photodynamic therapy of cancer.