Issue 1, 1994

An efficient and selective palladium-catalysed oxidative dicarbonylation of alkynes to alkyl- or aryl-maleic esters

Abstract

Terminal alkyne dicarbonylation can be readily effected under mild conditions by treating alkynes with carbon monoxide and alcohols or water at 25–80 °C in the presence of Pdl2, KI and air, with unprecedented catalytic efficiency. Dicarbonylated products are mainly maleic esters or acids and their ring-chain tautomers. The latter are formed to a large extent at room temperature. Reaction pathways are discussed.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1994, 83-87

An efficient and selective palladium-catalysed oxidative dicarbonylation of alkynes to alkyl- or aryl-maleic esters

B. Gabriele, M. Costa, G. Salerno and G. P. Chiusoli, J. Chem. Soc., Perkin Trans. 1, 1994, 83 DOI: 10.1039/P19940000083

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