The Dimroth rearrangement as a probable cause for structural misassignments in imidazo[1,2-a]pyrimidines: A 15N-labelling study and an easy method for the determination of regiochemistry
Keywords: بازنگری Dimroth; Dimroth rearrangement; Imidazo[1,2-a]pyrimidine; Azaheterocycle; Polyazaindolizine; Misassignment;