A Ni(OAc)2/Ag(OTf) catalysed coupling of aryl alkynes and propargylic alcohol/ether/ester gave the corresponding unsymmetrical 1,3-diynes in good to excellent yields.
dl‐[Ni(Phen)3]Cl2/Ag2CO3 assisted coupling of alkynes with 1,3‐dicarbonyl compounds gave the corresponding substituted furans in good to excellent yields, and with good substrate scope. Beside the novel C–H functionalization and tandem coupling, the reaction also represents 100 % atomic economy.
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