Abstract
A direct and efficient approach to synthesize imidazo[1,2-a]pyridines through three-component one-pot reaction of 2-aminopyridine, aldehyde and terminal alkyne catalyzed by Cu-nanoparticles under solvent-free conditions has been developed. This method provides a rapid access to substituted imidazo[1,2-a]pyridines with good yields(up to 85%).
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Supported by the National Natural Science Foundation of China(Nos.20772088, 21172163) and the Priority Academic Program Development of Jiangsu Higher Education Institutions.
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Zong, C., Zeng, R. & Zou, J. One-pot copper nanoparticle-catalyzed synthesis of imidazo[1,2-a]pyridines under solvent-free conditions. Chem. Res. Chin. Univ. 30, 632–638 (2014). https://doi.org/10.1007/s40242-014-3520-5
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DOI: https://doi.org/10.1007/s40242-014-3520-5