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A simple Cu(OAc)_2 catalyzed Sonogashira coupling protocol is presented.It was found that the couplings of a variety of aryl halides with terminal alkynes were conducted smoothly to afford the corresponding desired products in moderate to excellent yields,using Cu(OAc)_2 as the catalyst and Et3N as the solvent.
A simple Cu (OAc) _2 catalyzed Sonogashira coupling protocol is presented. It was found that the couplings of a variety of aryl halides with terminal alkynes were conducted smoothly to afford the corresponding desired products in moderate to excellent yields, using Cu (OAc) _2 as the catalyst and Et3N as the solvent.