Sundaram, G. S. M. ; Singh, B. ; Venkatesh, C. ; Ila, H. ; Junjappa, H. (2007) Dipolar cycloaddition of ethyl isocyanoacetate to 3-chloro-2-(methylthio)/2-(methylsulfonyl)quinoxalines: highly regio- and chemoselective synthesis of substituted imidazo[1,5-a]quinoxaline-3-carboxylates Journal of Organic Chemistry, 72 (13). pp. 5020-5023. ISSN 0022-3263
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jo070590k
Related URL: http://dx.doi.org/10.1021/jo070590k
Abstract
An efficient route for regio- and chemoselective synthesis of substituted 3-(carboethoxy)imidazo[1,5-a]quinoxalines and novel diimidazo[1,5-a:5',1'-c]quinoxalines via base-induced cycloaddition of ethyl isocyanoacetate to unsymmetrically substituted 3-chloro-2-(methylthio)/2-(methylsulfonyl)quinoxalines has been reported.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 15321 |
| Deposited On: | 13 Nov 2010 12:56 |
| Last Modified: | 03 Jun 2011 04:38 |
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