Abstract
3-Aminoimidazo[1,2-a]pyridines have been synthesized through a condensation reaction of 2-aminopyridine, an aldehyde and an alkyl or aryl isocyanide in high yields in the presence of a catalytic amount of cellulose@Fe2O3 as a magnetically recoverable heterogeneous catalyst. High catalytic activity, good reusability, and simple magnetic work-up are some of the salient features of the present protocol.
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We gratefully acknowledge financial support from the Iran National Elites Foundation (INEF) and the Research Council of Shahid Beheshti University.
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Shaabani, A., Nosrati, H. & Seyyedhamzeh, M. Cellulose@Fe2O3 nanoparticle composites: magnetically recyclable nanocatalyst for the synthesis of 3-aminoimidazo[1,2-a]pyridines. Res Chem Intermed 41, 3719–3727 (2015). https://doi.org/10.1007/s11164-013-1484-6
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DOI: https://doi.org/10.1007/s11164-013-1484-6