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.
文摘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.