Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The copper/palladium-promoted heteroannulation of terminal acetylenic compounds in the presence of resin bound ortho-hydroxy aryl iodides is described. The process produces 2-substituted benzofuran derivatives in good yield and high purity. ... The copper/palladium-promoted ...