1: 4-aminomethyl-benzoic acid ; hydrochloride With sodium hydroxide in ethanol T=10 - 15°C; pH=8; 2: di-tert-butyl dicarbonate in ethanol T=15 - 20°C; 3: With hydrogenchloride in water pH=1;

1: With water; hydrogen T=45°C; P=7355.72 Torr; 4 h; 2: With hydrogenchloride in water pH=4.5;

1.1: hydroxylamine hydrochloride / 5 palladium on charcoal / water; methanol / 2 h / 25 - 35 °C 1.2: pH 7.5 - 8 2.1: hydrogen; sodium hydroxide / 5 palladium on charcoal / water / 4 h / 45 °C / 7355.72 Torr View Scheme