Copper-catalyzed enantioselective conjugate addition of diethylzinc to 
α,β-unsaturated carbonyl compounds using diphosphonites as chiral ligands

Reetz, M. T.; Gosberg, A.; Moulin, D.

doi:10.1016/S0040-4039(01)02355-3

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Copper-catalyzed enantioselective conjugate addition of diethylzinc to α,β-unsaturated carbonyl compounds using diphosphonites as chiral ligands

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Reetz, M. T.
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Gosberg, A.
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Moulin, D.
Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Fürstner, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Research Department Reetz, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Reetz, M. T., Gosberg, A., & Moulin, D. (2002). Copper-catalyzed enantioselective conjugate addition of diethylzinc to α,β-unsaturated carbonyl compounds using diphosphonites as chiral ligands. Tetrahedron Letters, 43(7), 1189-1191. doi:10.1016/S0040-4039(01)02355-3.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-9A21-7

Abstract

BINOL-based diphosphonites in which ferrocene functions as the achiral backbone are excellent chiral ligands in the Cu(OTf)(2)-catalyzed conjugate addition of Et2Zn to enones, enantioselectivities of up to 99% being observed. (C) 2002 Elsevier Science Ltd. All rights reserved.