Synlett 1997; 1997(8): 931-932
DOI: 10.1055/s-1997-943
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Synthetic Usefulness of the Cobalt(I)-Mediated Ene Type Reaction for the Diastereoselective Construction of Bicyclo[n.3.0]derivatives

Jean-Luc Renaud, Marc Petit, Corinne Aubert, Max Malacria*
  • *Université Pierre et Marie Curie, Paris VI. Laboratoire de Chimie Organique de Synthèse, associé au CNRS, tour 44-54, B. 229, 4, Place Jussieu 75252 - Paris Cedex 05, France, Fax: 01 44 27 73 60, E-mail: [email protected]
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31. Dezember 2000 (online)

Cobalt(I)-catalyzed cycloisomerization of cyclic ℇ-acetylenic β-ketoesters 1 led to bicyclo[n.3.0]derivatives 2 in high yield and with a total stereocontrol of two contiguous centers.