1: aniline With hydrogenchloride; sodium nitrite in water T=0 - 5°C; 2: With sodium tetrafluoroborate in water 0.166667 h; 3: potassium 2-pyridyltrifluoroborate With palladium diacetate; sodium carbonate in water T=25°C; Suzuki-Miyaura Coupling; 6 h;