Abstract

Zn phthalocyanines tetra- and octa- substituted in peripheral positions by mercaptophenol moieties were prepared. Photophysical, photochemical, physicochemical and biological properties relevant from a photodynamic therapy point of view have been determined, showing that the tetra-substituted derivatives have better potential, confirmed by in vitro tests performed on MCF-7 cells that induced significant cell death without showing dark toxicity.

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