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A one‐pot multicomponent synthesis of imidazo[1,2‐ a ]pyridine derivatives by using pyridin‐2‐amines, aldehydes, and terminal alkynes in the presence of a catalytic amount of silica‐supported iron oxide (Fe 3 O 4 @SiO 2 ) nanoparticles in refluxing EtOH in good‐to‐excellent yields is reported.
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Ali Maleki (2014) studied this question.
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