Chandrasekhar, S. ; Kesava Reddy, N. ; Praveen Kumar, V. (2010) Oxidation of alkynes using PdCl2/CuCl2 in PEG as a recyclable catalytic system: one-pot synthesis of quinoxalines Tetrahedron Letters, 51 (28). pp. 3623-3625. 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.2010.05.006
Abstract
Alkynes were oxidized efficiently using the catalytic amount of PdCl2 and CuCl2 in PEG-400 in the presence of water, providing excellent yields of the corresponding 1,2-diketones. A variety of alkynes were well-suited substrates for the oxidation under the described conditions. Further, the optimized conditions were successfully utilized for the one-pot synthesis of 2,3-disubstituted quinoxaline derivatives.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Poly(ethylene glycol); Alkynes; Quinoxaline; Palladium Chloride; Copper Chloride |
| ID Code: | 62332 |
| Deposited On: | 22 Sep 2011 03:37 |
| Last Modified: | 22 Sep 2011 03:37 |
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