Fig. 3

Carbonylative homologation of aryl iodides with indoles. Reaction conditions: indole (0.5 mmol), aryl iodide (0.75 mmol), Ni(OTf)₂ (5 mol%), bpy (5 mol%), Mo(CO)₆ (0.5 mmol), Ph₂SiH₂ (1.0 mmol), toluene (2 mL), 120 °C, 24 h, isolated yield. ^aEt₃SiH was used instead of Ph₂SiH₂