W(CO)5(L)-catalyzed cyclization of α-alkynyl-β-dicarbonyl derivatives : synthesis of methylenelactones, furans, and methylenecyclopentanes
W(CO)5(L)-Catalyzed cyclization of α-alkynyl-β-keto acids, keto esters, and diketones provides methylenelactones, furans, and methylenecyclopentanes via 5-exo-dig cyclization. Also, the present approach can be further applied to 5-endo-dig cyclization.
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| Main Authors: | , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2013
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| 在線閱讀: | https://hdl.handle.net/10356/96037 http://hdl.handle.net/10220/11881 |
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