Misra, N. C. ; Panda, K. ; Ila, H. ; Junjappa, H. (2007) An efficient highly regioselective synthesis of 2,3,4-trisubstituted pyrroles by cycloaddition of polarized ketene S,S- and N,S-acetals with activated methylene isocyanides Journal of Organic Chemistry, 72 (4). pp. 1246-1251. ISSN 0022-3263
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Official URL: http://pubs.acs.org/doi/abs/10.1021/jo062139j
Related URL: http://dx.doi.org/10.1021/jo062139j
Abstract
An efficient route for regioselective synthesis of 2,3,4- substituted pyrroles allowing precise control over the introduction of a number of substituents and functionalities (tosyl, carbalkoxy, aryl, cyano, nitro, acetyl, benzoyl, cyclic amines, etc.) at the three positions of the pyrrole ring has been developed via 1,3-dipolar cycloaddition of readily accessible polarized ketene S,S- and N,S-acetals with carbanions derived from activated methylene isocyanides.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Chemical Society. |
ID Code: | 15292 |
Deposited On: | 13 Nov 2010 12:59 |
Last Modified: | 03 Jun 2011 04:38 |
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