Substitution des halogéno-1 alcynes-1 par les dérivés organométalliques du cuivre. accès à une nouvelle classe de synthons: application à |
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| Authors: | A Commerçon JF Normant J Villieras |
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| Institution: | Laboratoire de Chimie des Organe-Eléments Tour 44, 4, place Jussieu 75230, Paris, Cédex 05, France |
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| Abstract: | 1-Bromo- and 1-iodo-1-alkynes are alkylated by organocopper(I) compounds. Alkenylcopper(I) derivatives undergo substitution with retention of configuration leading to conjugated and functional enynes, from which conjugated dienes can be obtained. |
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