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Dipyrromethanes were obtained in moderate yields by the condensation of ketone and pyrrole in the presence of ionic liquid [Hmim]BF4 without using any strong acid and other organic solvent.
Dipyrromethanes were obtained in a moderate yield by the condensation of ketone and pyrrole in the presence of ionic liquid [Hmim] BF4 without using any strong acid and other organic solvents.