Rhodium-catalyzed 1,3-acyloxy migration and subsequent intramolecular [4+2] cycloaddition of vinylallene and unactivated alkyne |
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Authors: | Huang Suyu Li Xiaoxun Lin Claire L Guzei Ilia A Tang Weiping |
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Institution: | Department of Chemistry and Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, PR China. |
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Abstract: | A Rh-catalyzed 1,3-acyloxy migration of propargyl ester followed by intramolecular 4+2] cycloaddition of vinylallene and unactivated alkyne was developed. This tandem reaction provides access to bicyclic compounds containing a highly functionalized isotoluene or cyclohexenone structural motif, while only aromatic compounds were observed in related transition metal-catalyzed cycloadditions. |
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