The combination of 8-quinolyldimesitylborane with Cu(I)Cl forms Chloro[8-(dimesitylboryl)quinoline-κN]Copper(I). This complex features an BCipsoCortho π-interaction at the Cu(I) center. This complex was observed to be a highly active catalyst for the sp2 C-H activation of arenes (including benzene), and reaction with aryl halides led to C-C heterocoupling of the arenes. Catalysis was observed at low loading of catalyst. Data of the catalytic activity will be presented alongside data found in the literature, and initial comparison reveals that the CuI complex is quite active. The observation of catalysis suggests that the ambiphilic ligand, 8-quinolyldimesitylborane supports copper in different redox states. These mechanistic possibilities will be discussed.

sp2 C-H activation and C-C coupling catalyzed by Cu(I) complex with the ambiphilic ligand 8 -quinolyldimesitylborane

251st National Meeting (2016)

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