Figure 3. Scope of alkanes substrates.
Reaction conditions A: 1 (4.0 ml), 2a (0.50 mmol), Cu(OTf)2 (7.5 mol%), Ni(acac)2 (7.5 mol%), AgOAc (10 mol%), dppb (7.5 mol%) and DTBP (2.0 mmol), PhCl (3.0 ml), 130 °C, 3 h. The ratio of regioisomers shown in parentheses was determined by GC–MS. Reaction conditions B: 1 (7.0 ml), 2a (0.50 mmol), Cu(OTf)2 (10 mol%), Ni(acac)2 (10 mol%), AgOAc (5 mol%), dppb (10 mol%) and DTBP (0.75 mmol), 130 °C, 3 h. †DTBP (1.5 mmol) was used. ‡Yields of all regioisomers.