1: With P-(phenyl)dibenzophosphole; phenyl silane in 1,4-dioxane T=101°C; Staudinger reduction reaction; 16 h; Inert atmosphere; 2: With water in 1,4-dioxane T=20°C; Staudinger reduction reaction; Inert atmosphere;

sodium azide in acetonitrile 16 h; Reflux;

sodium azide; methanesulfonic acid in chloroform T=0°C; 0.5 h;

sodium azide in dimethyl sulfoxide T=0 - 20°C; 16.5 h;

1: trimethylsilylazide; scandium tris(trifluoromethanesulfonate) / dichloromethane / 0.5 h / 0 °C / |Inert atmosphere 2: scandium tris(trifluoromethanesulfonate); triethylsilane / dichloromethane / 15 h / 0 - 20 °C / |Inert atmosphere View Scheme

sodium azide in N,N-dimethyl-formamide