Table 3. Scope of pyridines ^a .

^aSubstrate (0.35 mmol), Et₂SiH₂ (5 equiv.) and [Ir(coe)₂Cl]₂ (0.005 mmol, 1.4 mol%) at 55 °C; crude ¹H NMR yields based on an internal standard (mesitylene or 1,4-dioxane); numbers in parentheses are isolated yields.

^b4.2 mol% of [Ir(coe)₂Cl]₂.

^cReaction in C₆D₆ (0.35 mL).