1: 1-amino-naphthalene With hydrogenchloride; sodium nitrite in water T=0 - 5°C; 2: With sodium tetrafluoroborate in water 0.166667 h; 3: monophenyl triethoxy silane With tetrabutyl ammonium fluoride; palladium diacetate in water T=25°C; Hiyama Coupling; 6 h;