Abstract
In THF, a palladium-catalyzed cross-coupling reaction of organomanganese reagents with various aryl bromides including unreactive deactivated or hindered aryl bromides was performed successfully in the presence of a new catalytic system 1% PdCl 2(dppp)–four equivalents DME. The scope of the reaction is very broad since many functional groups are tolerated, moreover, even hindered O, O′-di- or trisubstituted diaryls were obtained in high yields. It is interesting to note that hindered aryl bromides are more reactive than the corresponding aryl iodides. Alkyl, alkenyl and alkynylmanganese chlorides also react under similar conditions.
Published Version
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