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Nano Fe3O4-Catalyzed one-pot synthesis of dipyrromethanes under solvent-free condition

Said Asgari Hosseini-Eimeni, Hassan Ghasemnejad-Bosra

A clean and efficient method for the synthesis of dipyrromethanes with nano Fe3O4 (MNP) as the catalyst under solvent-free conditions is described. This method provides several advantages, such as simple workup procedure, neutral conditions using a cheap, non-toxic, environment friendly solvent, and high yields.