Abstract
Ni-catalyzed direct C-H arylation of benzene and naphthalene using aryl halides was investigated. For the first time, the arylation was successfully catalyzed by Cp(2)Ni (5 mol %) in the presence of KOt-Bu and BEt(3). This Ni catalyst system was also applied to direct C-H arylation of pyridine, an electron-deficient heteroarene; PPh(3) was used instead of BEt(3) in this case.
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