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Synthesis 1987; 1987(5): 498-499
DOI: 10.1055/s-1987-27983
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(Ethoxycarbonyliodomethyl)triphenylphosphonium Iodide: A Convenient Reagent for the Direct Synthesis of ß-Substituted Propiolic Acids via the Corresponding Esters

Jaques Chenault* , Jean-François E. Dupin
  • *Laboratoire d'Etude des Composés Phénoliques, U.F.R. Faculté des Sciences, Université d'Orléans, B. P. 6759, F-45067 Orléans Cédex 2, France
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Publication Date:
18 September 2002 (online)

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Reaction between (ethoxycarbonyliodomethyl)triphenylphosphonium iodide, potassium carbonate, and various aromatic or aliphatic aldehydes in a liquid solid two phases system gives ß-substituted propiolic esters. The corresponding acids are obtained in good yield by hydrolysis.