The addition of cuprates to vinyltriphenylphosphonium bromide: a synthesis of 1,5-disubstituted Z,Z-penta-1,4-dienes |
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| Authors: | George Just Brian O&#x;Connor |
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| Institution: | Department of Chemistry, McGill University, Montreal, Canada H3A 2K6 |
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| Abstract: | It is shown that alkyl, alkenyl and aryl cuprates add to vinyl- triphenylphosphonium bromide to provide phosphoranes and that the Z:E ratio of their Wittig condensation products with benzaldehyde and hexanal are strongly influenced by the addition of hexamethyl- phosphoramide. This reaction is applied to the one-pot synthesis of the title compound. |
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