1: With hydrogenchloride; sodium nitrite in water T=0°C; 1.5 h; 2: With hydrogenchloride; tin(ll) chloride in water T=10 - 20°C; 2.5 h; 3: With hydrogenchloride; sodium hydroxide more than 3 stages;

hydrogenchloride in ethanol

1: With hydrogenchloride; sodium nitrite in water T=0°C; 1.83333 h; 2: With hydrogenchloride; tin(ll) chloride in water T=10 - 20°C; 13.5 h; 3: With sodium hydroxide in chloroform; water T=0°C; Product distribution / selectivity;