Copper-free Sonogashira Coupling Reaction Using atrans-Spanning 1,2-Bis(2-thienylethynyl)benzene Ligand
Chemistry Letters（2011）
Abstract
Novel copper-free Sonogashira coupling reaction of aryl halides with terminal acetylenes proceeded in the presence of 1,2-bis(2-thienylethynyl)benzene (1) as a trans-bidentatable ligand.
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Key words
ligand,coupling,12-bis2-thienylethynylbenzene,copper-free
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