O-Phenylenediamine → Dipyridophenazine

참여 물질

반응 단계

Into a 200 mL recovery flask were placed 1,10-phenanthroline-5,6-dione (1.09 g, 5.19 mmol) and ethanol (10 mL), and the mixture was stirred to provide a suspension. And then, 1,2-phenylenediamine (0.592 g, 5.20 mmol) and ethanol (40 mL) were added to the suspension, and the mixture was refluxed for 2 hours. After allowing the reaction liquid to stand overnight, an insoluble substance was collected by filtration, and washed with cold ethanol. And then, the product was recrystallized with ethanol, and dipyrido[3,2-a:2′,3′-c]phenazine (Qxphen) (0.808 g) was obtained.

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