Convenient Two-Step Conversion of Acid Chlorides to Terminal Alkynes

R. Alan Aitken; Shirley Seth

doi:10.1055/s-1990-21037

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Synlett 1990; 1990(4): 211
DOI: 10.1055/s-1990-21037

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Convenient Two-Step Conversion of Acid Chlorides to Terminal Alkynes

R. Alan Aitken^* , Shirley Seth

^*Department of Chemistry, University of St. Andrews, North Haugh, St. Andrews, Fife KY16 9ST, England

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Publication Date:
08 March 2002 (online)

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Acylation of ethoxycarbonylmethylenetriphenylphosphorane with acid chlorides followed by flash vacuum pyrolysis at 750 °C results in loss of Ph₃PO and the ethoxycarbonyl group to give terminal alkynes in good overall yield.

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