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Novel Synthesis of Functionalized Benzo[<i>b</i>]furans and Homologues by Use of a Palladium-Copper Catalyst System
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1992
Year
Chemical Engineering2-Hydroxyaryl Iodides 1EngineeringAlkene MetathesisCross-coupling ReactionFacile SynthesisOrganic ChemistryTerminal Acetylenes 2Organometallic CatalysisCatalysisNovel SynthesisChemistryHeterocycle ChemistryPalladium-copper Catalyst SystemCatalytic Synthesis
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.