2,2,6,6-tetramethyl-1-piperidinyloxy, free radical; trimethylsilylazide; oxygen in acetonitrile T=80°C; P=760.051 Torr; 36 h; Schlenk technique; regioselective reaction;

1: potassium tert-butylate / dimethyl sulfoxide / 0.5 h 2: 16 h 3: water; sodium carbonate / |Reflux View Scheme

1: 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical; trimethylsilylazide; oxygen / acetonitrile / 36 h / 80 °C / 760.05 Torr / |Schlenk technique 2: potassium tert-butylate / dimethyl sulfoxide / 0.5 h 3: 16 h 4: water; sodium carbonate / |Reflux View Scheme

1: 16 h 2: water; sodium carbonate / |Reflux View Scheme