1: 2-(6-fluoro-1H-indol-3-yl)ethylamine tartrate With sodium hydroxide in tetrahydrofuran; toluene 2: 3-(2,2,3,3-tetrafluoropropoxy)benzaldehyde in isopropyl alcohol T=60°C; 2.5 h; 3: With sodium tetrahydroborate in isopropyl alcohol T=55°C; 2.5 h;