Cu(OTf)2-catalyzed synthesis of imidazo[1,2-a]pyridines from α-diazoketones and 2-aminopyridines

Yadav, J. S.
Subba Reddy, B. V.
Gopal Rao, Y.
Srinivas, M.
Narsaiah, A. V.

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Publication date

October 2007

DOI

10.1016/j.tetlet.2007.08.090

Publisher

Elsevier Science

Abstract

α-Diazoketones undergo smooth coupling with 2-aminopyridines in the presence of 10 mol % of copper(II) triflate to produce the corresponding 2-substituted imidazo[1,2-a]pyridines (IPs) in excellent yields with high selectivity. Rh2(OAc)4 is also found to be an equally effective catalyst for this transformation

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Cu(OTf)<SUB>2</SUB>-catalyzed synthesis of imidazo[1,2-a]pyridines from α-diazoketones and 2-aminopyridines

Abstract

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Cu(OTf)<SUB>2</SUB>-catalyzed synthesis of imidazo[1,2-a]pyridines from α-diazoketones and 2-aminopyridines

Abstract

Extracted data

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Cu(OTf)<SUB>2</SUB>-catalyzed synthesis of imidazo[1,2-a]pyridines from α-diazoketones and 2-aminopyridines

Cu(OTf)<SUB>2</SUB>-catalyzed synthesis of imidazo[1,2-a]pyridines from α-diazoketones and 2-aminopyridines