1: 46 percent / tributyltin hydride; AIBN / benzene / 80 °C 2: 31 mg / potassium hydrogen carbonate; hydrogen peroxide / methanol; tetrahydrofuran / 19 h / 66 °C View Scheme

2,2'-azo-bisisobutyronitrile; dihydrogen peroxide; tri-n-butyl-tin hydride; potassium hydrogencarbonate 1.) PhH, 80 deg C; 2.) MeOH, THF, heating; Yield given. Multistep reaction. Yields of byproduct given;