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Synlett 2001; 2001(2): 0305-0307
DOI: 10.1055/s-2001-10773
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Configurational Stability of Propargyl Zinc Reagents

Jean-F. Poisson* , F. Chemla, Jean F. Normant
  • *Laboratoire de Chimie des Organo-éléments, associé au CNRS, Université Pierre et Marie Curie, Tour 44-45, Boîte 183, 4 Place Jussieu, 75252 Paris Cedex 05, France; Fax 00 33 144 277 567; E-mail: normant§ccr.jussieu.fr
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Publication Date:
31 December 2001 (online)

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According to the "Hoffmann test", allenylzinc bromides derived from allenyllithium have been reacted with racemic and non-racemic α-alkoxy-imines at various temperatures. The ratio of the diastereomeric α-aminoethers thus obtained points to an appreciable configurational stability of the organometallics.

imines - zinc - diastereoselectivity - amino ethers - chiral resolution