Bharathiraja, Ganesan ; Sengoden, Mani ; Kannan, Masanam ; Punniyamurthy, Tharmalingam (2015) Expedient synthesis of tetrasubstituted pyrroles via a copper-catalyzed cascade inter-/intramolecular cyclization of 1,3-enynes carry a nitro group with amines Organic and Biomolecular Chemistry, 13 (9). pp. 2786-2792. ISSN 1477-0520
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Official URL: http://pubs.rsc.org/en/Content/ArticleLanding/2015...
Related URL: http://dx.doi.org/10.1039/C4OB02508C
Abstract
Various tetrasubstituted pyrroles/pyrazoles have been prepared from nitro-substituted 1,3-enynes with aromatic amines/hydrazines via a copper-catalyzed cascade aza-Michael addition, cyclization and aromatization at room temperature. This protocol is also effective for the synthesis of tetrasubstituted pyrazoles in high yields.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Royal Society of Chemistry. |
| ID Code: | 106835 |
| Deposited On: | 22 Jun 2017 10:08 |
| Last Modified: | 22 Jun 2017 10:08 |
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