The reaction of ferrocene with beta-ketoesters in the presence of BF3.Et2O or CF3SO3H affords beta-ferrocenyl-alpha, beta-unsaturated esters in 56-83% yield. In the case of alpha-unsubstituted-beta-ketoesters the reaction is totally E-stereoselective.
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Consorzio Interuniv La Chim Ambiente INCA, Dipartimento Chim Organ Ind Univ, Clean Synthet Methodol Grp, I-43124 Parma, ItalyConsorzio Interuniv La Chim Ambiente INCA, Dipartimento Chim Organ Ind Univ, Clean Synthet Methodol Grp, I-43124 Parma, Italy
Piscopo, Calogero G.
Adorni, Andrea
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Consorzio Interuniv La Chim Ambiente INCA, Dipartimento Chim Organ Ind Univ, Clean Synthet Methodol Grp, I-43124 Parma, ItalyConsorzio Interuniv La Chim Ambiente INCA, Dipartimento Chim Organ Ind Univ, Clean Synthet Methodol Grp, I-43124 Parma, Italy
Adorni, Andrea
Maggi, Raimondo
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Consorzio Interuniv La Chim Ambiente INCA, Dipartimento Chim Organ Ind Univ, Clean Synthet Methodol Grp, I-43124 Parma, ItalyConsorzio Interuniv La Chim Ambiente INCA, Dipartimento Chim Organ Ind Univ, Clean Synthet Methodol Grp, I-43124 Parma, Italy
Maggi, Raimondo
Sartori, Giovanni
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Consorzio Interuniv La Chim Ambiente INCA, Dipartimento Chim Organ Ind Univ, Clean Synthet Methodol Grp, I-43124 Parma, ItalyConsorzio Interuniv La Chim Ambiente INCA, Dipartimento Chim Organ Ind Univ, Clean Synthet Methodol Grp, I-43124 Parma, Italy