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ʵÑéÌõ¼þÈçÏ£ºMetallation in methanol was accomplished under refluxing conditions, whereas in water it was achieved at room temperature. Routinely, a 1:20 ratio of porphyrin to metal in water at room temperature was applied. The reaction was monitored by UV-visible spectroscopy. Upon completion of metallation (pH brought to ¡«7), the solution was filtered to remove manganese hydroxo species, and the PF6− salt of manganese complex was precipitated by the addition of a concentrated aqueous solution of NH4PF6. The compound was then dissolved in acetone, the solution was filtered, and a concentrated acetone solution of tetrabutylammonium chloride was added, until the majority of the porphyrin had precipitated in the form of its chloride salt.
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