Scheme 3From: Microwave assisted synthesis of bis and tris(ω-bromoacetophenones): versatile precursors for novel bis(imidazo[1,2-a]pyridines), bis(imidazo[1,2-a]pyrimidines) and their tris-analogs Synthesis of bis(imidazo[1,2- a ]pyridine) and bis(imidazo[1,2- a ]pyrimidine) derivatives 8a-e and 9a-d. Back to article page