In comparison with the popular synthetic synthon THPP, the cis-A2B2 type of porphyrin derivative and its zinc(ii) complex PN2(OH)2Zn offer more promising photochemical and photobiological outcomes.
This article compares a hydrophobic and photobiologically inert porphyrin synthon, (NPh)TPyPz, bearing a single meso-4-nitrophenyl group and three meso-pyridyl groups with a new photobiologically active metal-free porphyrin, P3N, and its zinc-complex, P3NZn.
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