Gold-catalyzed [4+3]-annulation of oxabicyclic benzenes with 2-substituted allylsilanes through tandem allylation and cyclization |
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| Authors: | Hsu Yu-Chia Datta Swarup Ting Chun-Ming Liu Rai-Shung |
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| Institution: | Department of Chemistry, National Tsing-Hua University, Hsinchu, Taiwan, ROC. |
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| Abstract: | This work reports new gold-catalyzed 4+3]-annulations of oxacyclic benzenes with 2-substituted allylsilanes through tandem allylation and cyclization; on the basis of experimental observations, we propose a mechanism involving the opening of the oxacyclic ring by a PPh3Au+-assisted SN2-attack of allylsilanes. |
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