Scheme 2. Nickel and cobalt co-catalyzed arylation of benzyl mesylates. Reactions performed as in Table 2, footnote a with 7 mol% NiBr2·3H2O, 5 mol% dtbbpy, and 1 mol% Co(Pc). Yield is isolated yield of purified product. See ESI† for details on reaction selectivity. ND = not detected. a No Co(Pc) was added to this reaction. b 3 mol% Co(Pc) was added to this reaction. c Reaction was run at 60 °C.
