sodium azide in water; acetonitrile T=20°C; 3.5 h;

1: With n-butyllithium in diethyl ether; hexane T=-78°C; Inert atmosphere; 2: With 4-toluenesulfonyl azide in diethyl ether; hexane T=-78 - 20°C; Inert atmosphere; 3: With anhydrous sodium pyrophosphate in hexane; water T=0°C; 18 h; Inert atmosphere;

copper(l) iodide; sodium azide; sodium L-ascorbate; N-methyl-2-(methylamino)ethylamine in ethanol; water Reflux;

[Rh(pentamethylcyclopentadienyl)(MeCN)3](SbF6)2; magnesium sulfate; benzylamine in 1,2-dichloro-ethane T=110°C; 20 h; Inert atmosphere;