Abstract
One novel porphyrin 5,10,15-tris(phenyl)-20-[4-(2-(2-methyl-5-nitro-imidazolyl)ethoxyl)phenyl] porphyrin and its zinc(II) metalloporphyrin were synthesized and characterized by IR, UV-vis, 1H NMR, MS and elemental analysis. The single crystal structure of zinc(II) porphyrin shows that the Zn(II) ion is coordinated with four nitrogen atoms of porphyrin ring and one oxygen atom of ethanol from axial, forming a five-coordinated square pyramidal geometry. Their cytotoxicity and photodynamic activity against breast cancer cells were studied. The results indicate that both of the porphyrins display high phototoxicity to the breast cancer cells with the negligible dark toxicity. In addition, the photodynamic activity of zinc(II) porphyrin was obviously higher than that of the free porphyrin.
Published Version
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