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Synlett 1992; 1992(5): 453-454
DOI: 10.1055/s-1992-21379
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A New Route to Functional α-Enones via Prop-2-ynyl Alcohol Derivatives and Carbonates

Jean Marc Joumier* , Christian Bruneau, Pierre H. Dixneuf
  • *Laboratoire de Chimie de Coordination Organique, associé au CNRS, Campus de Beaulieu, Université de Rennes, F-35042 Rennes, France
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Publikationsdatum:
08. März 2002 (online)

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Alkyl 1-allyl-1-methyl-2-oxopropyl carbonates 3, obtained from 3-methyl-1-penten-4-yn-3-ol (1) and carbon dioxide in the presence of a catalytic amount of phosphine, are key reagents for the palladium-catalysed regio- and stereoselective synthesis of 5-substituted 3-methyl-3-penten-2-ones 4 by coupling with nucleophiles.