New allene synthesis via carbocupration-zinc carbenoid homologation and beta-elimination sequence |
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| Authors: | Varghese J P Knochel P Marek I |
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| Affiliation: | Department of Chemistry and Institute of Catalysis Science and Technology, Technion-Israel Institute of Technology, Technion City, 32000 Haifa, Israel. |
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| Abstract: | [reaction: see text] Polysubstituted propadienes are obtained in good to excellent yields by the consecutive carbocupration-homologation-beta-elimination reactions on the easily accessible alkynyl sulfoxides or sulfones. This one-pot reaction also allows the preparation of functionalized allenes. |
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