Synlett 1994; 1994(3): 175-177
DOI: 10.1055/s-1994-22782
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Highly Diastereoselective Addition to a Chiral β,γ-Unsaturated α-Oxo Ester with Bromomagnesium Triorganozincates

Hideyuki Sugimura* , Tadashi Watanabe
  • *The Noguchi Institute, 1-8-1, Kaga, Itabashi-ku, Tokyo 173, Japan
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Publication History

Publication Date:
22 March 2002 (online)

Addition of bromomagnesium triorganozincates, prepared from zinc chloride and three molar equivalents of Grignard reagents, to (-)-trans-2-phenylcyclohexyl (E)-2-oxo-4-phenyl-3-butenoate proceeded in a diastereoselective 1,2-fashion to afford the corresponding 2-substituted (2R,3E)-2-hydroxy-4-phenyl-3-butenoates in good yields.