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Synthesis 1985; 1985(8): 768-770
DOI: 10.1055/s-1985-31341
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An Easy Preparation of α-Allenic Ethers and Tertiary α-Allenic Amines

Francis Barbot* , Benoit Dauphin, Philippe Miginiac
  • *Laboratoire de Chimie des Organométalliques, Groupe de Recherche de Chimie Organique, Université de Poitiers, F-86022 Poitiers Cedex, France
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Publication History

Publication Date:
17 September 2002 (online)

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α-Allenic ethers 2 are prepared by the reaction of 1,4-dialkoxy-2-butynes 1 with lithium aluminium hydride and magnesium bromide. Tertiary α-allenic amines 4 are obtained by treating 4-dialkylamine-1-methoxy-2-butynes 3 with lithium aluminium hydride and aluminium chloride.