1: With diphenylphosphoranyl azide; triethylamine in dichloromethane; toluene T=60 - 85°C; 1.63 h; Heating / reflux; 2: With hydrogenchloride in dichloromethane; water; toluene 2 h; Heating / reflux;

hydrogenchloride; triethylamine in dichloromethane; toluene