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Synthesis 1987; 1987(5): 498-499
DOI: 10.1055/s-1987-27983
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
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Publication History
Publication Date:
18 September 2002 (online)
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.