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Asymmetric conjugate addition of diethyl zinc to enones with tartrate chiral phosphite ligands

Authors
Varta, Johann
Burton, Jonathan
Mangeney, Pierre
Published in Tetrahedron: Asymmetry. 1997, vol. 8, no. 19, p. 3193-3196
Abstract The asymmetric conjugate addition of diethyl zinc to cyclohexen-2-one occurs with 0.5% copper (II) triflate and 1 % chiral phosphite. Cyclic phosphites derived from various tartrates gave a moderate enantiomeric excess. The nature of the exocyclic substituent of the dioxaphospholane ring is important, but the chiral induction is imposed by the tartrate framework.
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ALEXAKIS, Alexandre et al. Asymmetric conjugate addition of diethyl zinc to enones with tartrate chiral phosphite ligands. In: Tetrahedron: Asymmetry, 1997, vol. 8, n° 19, p. 3193-3196. https://archive-ouverte.unige.ch/unige:8058

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Deposited on : 2010-06-21

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