Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 355, Issue 9, Pages 1741-1747Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201300298
Keywords
ambient air; copper; cyclization; imidazo[1; 2-a]pyridines; oxidative amination; zolimidine
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Funding
- DST, Govt. of India [SR/S5/GC-05/2010]
- CSIR
- UGC
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A new copper-catalyzed oxidative cyclization via CH amination between 2-aminopyridines and methyl aryl/heteroaryl ketones has been developed under ambient air. Imidazo[1,2-a]pyridines containing a wide range of functional groups have been synthesized from basic and easily available starting materials. This simple, one-pot reaction protocol is applicable for the direct preparation of zolimidine (a marketed antiulcer drug) on a large scale.
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