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β‑Octamethoxyporphycenes

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posted on 03.01.2014, 00:00 by Anup Rana, Pradeepta K. Panda
Porphycene with eight methoxy substituents at its β-positions was synthesized for the first time in three steps from 3,4-dimethoxypyrrole. The presence of methoxy groups increases its hydrophilicity as evident from their increased solubility in methanol. Among its metallo-derivatives, the Pd­(II)-complex displays efficient singlet oxygen quantum yield (73%) and hence can be a potentially good photosensitizer for photo-oxidation, DNA cleavage, and photodynamic therapy (PDT).

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