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  • Title: Modular amino acids-based chiral ligands for copper-catalyzed enantioselective conjugation addition of diethylzinc to cyclic enones.
    Author: Gou S, Judeh ZM.
    Journal: Chirality; 2011 Feb; 23(2):105-12. PubMed ID: 20549777.
    Abstract:
    New amino acid-based modular chiral ligands were readily synthesized and used to catalyze the asymmetric conjugate addition of Et(2) Zn to various cyclic enones in the presence of a variety of copper sources. Moderately high ee of up to 72% were obtained using ligand (S)-1e under mild conditions.
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