1: ammonium thiocyanate With benzoyl chloride in acetone T=30 - 50°C; 0.5 h; Heating / reflux; 2: 3,5-difluoro-aniline in acetone 0.5 h; Heating / reflux; 3: With hydrogenchloride; sodium hydroxide; ammonia more than 3 stages;

1: With bromine in 1,2-dichloro-ethane T=30°C; 2.5 h; 2: With ammonia in water