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Synlett 1992; 1992(6): 515-516
DOI: 10.1055/s-1992-21399
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Novel Synthesis of Functionalized Benzo[b]furans and Homologues by Use of a Palladium-Copper Catalyst System

Sigeru Torii* , Long He Xu, Hiroshi Okumoto
  • *Department of Applied Chemistry, Faculty of Engineering, Okayama University, Tsushima-Naka, Okayama 700, Japan
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Publication Date:
08 March 2002 (online)

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A facile synthesis of 2-substituted and 2,5-disubstituted benzo[b]furans and homologues 4, by the coupling of 2-hydroxyaryl iodides 1 and terminal acetylenes 2 in the presence of bis(triphenylphosphine)palladium(II) chloride and copper(I) iodide as catalysts, has been accomplished.