Scheme 1From: 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( ω -bromoacetophenones) 3a-c and 4a-c. Back to article page