Abstract
A simple one-pot procedure has been developed for the synthesis of 4-substituted-l-aryl-1-butanones through copper-free Sonogashira reaction of aryl bromides with terminal alkynes in DMF under inert atmosphere, followed by the treatment with acid in the presence of oxygen. A variety of aryl bromides was reacted with 3-butyn-1-ol according to this procedure to give the expected compounds in good yield. The mechanism of the reaction and applications of the methodology are discussed.
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