Yadav, J. S. ; Subba Reddy, B. V. ; Gopal Rao, Y. ; Srinivas, M. ; Narsaiah, A. V. (2007) Cu(OTf)2-catalyzed synthesis of imidazo[1,2-a]pyridines from α-diazoketones and 2-aminopyridines Tetrahedron Letters, 48 (43). pp. 7717-7720. ISSN 0040-4039
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.tetlet.2007.08.090
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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | α-diazoketones; Carbene Insertion Reactions; Imidazo[1,2-a]pyridines |
| ID Code: | 59654 |
| Deposited On: | 07 Sep 2011 05:47 |
| Last Modified: | 07 Sep 2011 05:47 |
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