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Copper(I) thiolate catalysts in asymmetric conjugate addition reactions

Arink, Anne M.
Braam, Thijs W.
Keeris, Roy
Jastrzebski, Johann T.B.H.
van Koten, Gerard
Published in Organic Letters. 2004, vol. 6, no. 12, p. 1959-1962
Abstract Full conversion and enantioselectivities up to 83% have been obtained in the conjugate addition reactions of diethyl zinc to Michael acceptors catalyzed by well-defined (chiral) copper(I) aminoarenethiolates. Interesting differences between organozinc or Grignard reagents have been found: for cyclic enones R(2)Zn reagents afford better results, whereas earlier work showed that RMgX reagents react more selectively with acyclic enones.
PMID: 15176793
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ARINK, Anne M. et al. Copper(I) thiolate catalysts in asymmetric conjugate addition reactions. In: Organic Letters, 2004, vol. 6, n° 12, p. 1959-1962. doi: 10.1021/ol049457u https://archive-ouverte.unige.ch/unige:8040

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Deposited on : 2010-06-21

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