sodium azide in water; acetone T=20°C; 24 h;

sodium azide in acetonitrile 2 h; Heating;

sodium azide in water T=60°C; 0.0833333 h; Solid phase extraction cartridge;

sodium azide in water T=60°C; 0.0833333 h; Solid phase extraction cartridge;

ADMP; 1,8-diazabicyclo[5.4.0]undec-7-ene in tetrahydrofuran T=20°C; 1 h;

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

1: 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane*(18)FK / water; dimethyl sulfoxide / 0.04 h / 140 °C 2: sodium tetrahydroborate / water / 0.03 h / Solid phase extraction cartridge 3: hydrogen iodide / water / 0.03 h / 60 °C / Solid phase extraction cartridge 4: sodium azide / water / 0.08 h / 60 °C / Solid phase extraction cartridge View Scheme

1: hydrogen iodide / water / 0.03 h / 60 °C / Solid phase extraction cartridge 2: sodium azide / water / 0.08 h / 60 °C / Solid phase extraction cartridge View Scheme

1: sodium tetrahydroborate / water / 0.03 h / Solid phase extraction cartridge 2: hydrogen iodide / water / 0.03 h / 60 °C / Solid phase extraction cartridge 3: sodium azide / water / 0.08 h / 60 °C / Solid phase extraction cartridge View Scheme

1: 4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane*(18)FK / water; dimethyl sulfoxide / 15 h / 140 °C 2: sodium tetrahydroborate / water / 0.03 h / Solid phase extraction cartridge 3: hydrogen iodide / water / 0.03 h / 60 °C / Solid phase extraction cartridge 4: sodium azide / water / 0.08 h / 60 °C / Solid phase extraction cartridge View Scheme