Copper/silver-cocatalyzed Conia-ene reaction of linear beta-alkynic beta-ketoesters |
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| Authors: | Deng Chen-Liang Song Ren-Jie Guo Sheng-Mei Wang Zhi-Qiang Li Jin-Heng |
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| Affiliation: | Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education), Hunan Normal University, Changsha 410081, China. |
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| Abstract: | A novel and general copper/silver catalytic system has been developed for the Conia-ene intramolecular reaction of linear beta-alkynic beta-ketoesters. In the presence of (CuOTf)2.C6H6 and AgSbF6 (or AgOAc), a variety of the linear beta-alkynic beta-ketoesters selectively underwent the Conia-ene intramolecular reaction in moderate to good yields. |
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