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The present protocol is a simple and eco-friendly approach for the one-pot procedure by using a sonicator for the synthesis of substituted imidazopyridines ranging from important feedstock’s like styrene promoted by NBS. By sonicator and microwave of commercially available styrene with NBS in water followed by reaction with 2-aminopyridines afforded important heterocyclic scaffolds in an exceedingly one-pot procedure.
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