1: T=70°C; 12 h; 2: With hydrogenchloride in ethanol; water T=50°C; 3: With Celite; ammonium formate; palladium 10 on activated carbon T=20 - 40°C; 12.33 h;

1: diphenylphosphoryl azide, Et3N / toluene / 0.33 h / 95 °C 2: toluene; dimethylformamide / 3.6 h / 110 °C View Scheme

1: With hydrogenchloride; ethanol; water T=50°C; 0.333333 h; 2: With ammonium formate; palladium on activated carbon in ethanol; water T=40°C; 12 h; 3: With sodium hydroxide in water pH=12;