Abstract
In the present work, a new protocol was developed for the synthesis of 2,4,5-triaryl imidazoles via three component condensation of aryl aldehyde, benzil and ammonium acetate in the presence of 1-butyl-3-methyl-imidazolium hexafluoro phosphate ([BMIM][PF6]) as a catalyst under reflux in ethanol. The present protocol has many beneficial advantages such as excellent yields, easy workup procedure, green catalyst and purification of the targeted molecules without the use of column chromatography which increases the green chemistry value of the present work.
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