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Asymmetric conjugate addition to alkylidene malonates

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Published in Tetrahedron: Asymmetry. 2001, vol. 12, no. 8, p. 1151-1157
Abstract Dialkylzinc and trialkylaluminium reagents undergo conjugate addition to alkylidene malonates with 0.5% copper triflate as catalyst. The reaction could be made enantioselective by completing the reaction in the presence of 0.5–1.0 mol% of chiral phosphorus ligand. Enantiomeric excesses (e.e.s) of up to 73% could be attained with a ligand prepared from TADDOL and 2-naphthylcyclohexanol.
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ALEXAKIS, Alexandre, BENHAIM, Cyril. Asymmetric conjugate addition to alkylidene malonates. In: Tetrahedron: Asymmetry, 2001, vol. 12, n° 8, p. 1151-1157. https://archive-ouverte.unige.ch/unige:8051

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Deposited on : 2010-06-21

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