sodium dihydrogenphosphate; sodium azide; sodium perchlorate; disodium hydrogenphosphate in water; N,N-dimethyl-formamide; acetonitrile T=20°C; pH=7.0; 48 h; Title compound not separated from byproducts;

1: 40 percent / (CF3CO)2O; CF3COOH; H2O2 / Mo(CO)6 / CH2Cl2 / cooling 2: 96 percent / hydrazine monohydrate / Pd/C / tetrahydrofuran / 1 h / -20 °C 3: 37 percent / triethylamine / tetrahydrofuran / 0.5 h / -20 - 0 °C 4: 91 percent / triethylamine / tetrahydrofuran / 1 h / 0 °C 5: acetonitrile; H2O / 20 °C / pH 7.0 View Scheme

1: 37 percent / triethylamine / tetrahydrofuran / 0.5 h / -20 - 0 °C 2: 91 percent / triethylamine / tetrahydrofuran / 1 h / 0 °C 3: acetonitrile; H2O / 20 °C / pH 7.0 View Scheme

1: 96 percent / hydrazine monohydrate / Pd/C / tetrahydrofuran / 1 h / -20 °C 2: 37 percent / triethylamine / tetrahydrofuran / 0.5 h / -20 - 0 °C 3: 91 percent / triethylamine / tetrahydrofuran / 1 h / 0 °C 4: acetonitrile; H2O / 20 °C / pH 7.0 View Scheme

1: 91 percent / triethylamine / tetrahydrofuran / 1 h / 0 °C 2: acetonitrile; H2O / 20 °C / pH 7.0 View Scheme

triethylamine in tetrahydrofuran T=-20 - 0°C; 0.5 h;

copper; NOBF4 0.5 h; Ambient temperature;

in water; acetonitrile T=20°C; pH=7.0;