Dipl.-Chem. Crispin Lichtenberg, Dr. Thomas P. Spaniol and Prof. Dr. Jun Okuda Dimerization of the Allylzinc Cation: Selective Coupling of Allyl Anions in a Metallo-Ene Reaction Angewandte Chemie International Edition 51
Metal assistance: Dimerization of the allylzinc monocation gives the dimetalated coupling product in quantitative yield (see scheme). Kinetic and thermodynamic parameters of this reversible metallo-ene reaction have been determined. This reaction serves as a model system for the alkali-metal catalyzed production of 4-methylpentene.
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