1: With hydrogenchloride; palladium 10 on activated carbon; hydrogen in methanol; water T=100°C; P=53203.6 Torr; 8 h; Autoclave; 2: With sodium hydrogencarbonate in isopropyl alcohol 1.5 h; Reflux;

trifluoroacetic acid in chloroform 0.166667 h; Ambient temperature;

in sodium hydroxide; chloroform