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A series of new heteroannulated pyrido[2,3‐c]coumarins have been prepared by the domino reactions of chromone‐3‐carboxylic acid derivatives with electron‐rich binucleophilic aminoheterocycles. The products contain the core structures of coumarin, pyridine, and an annulated five‐membered heterocyclic system, namely pyrazole, pyrrole, or isoazole. The fluorescence of the products was investigated. The...
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