1: 3-fluoro-4-methyl-benzoic acid With bromine; iron T=20°C; 20 h; 2: anhydrous cyclopropylamine With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine in N,N-dimethyl-formamide T=20°C; 5 h;

benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine in DMF (N,N-dimethyl-formamide) T=20°C; 5 h;