1: With dimethyl tert-butyl silane; carbamic acid methyl ester; trifluoroacetic acid in acetonitrile T=80°C; 6 h; 2: With water; lithium hydroxide hydrate in tetrahydrofuran; methanol T=80°C; 16 h;

1: With borane-THF in tetrahydrofuran T=20°C; Cooling with ice; 2: With water; sodium carbonate in tetrahydrofuran

1: With dimethylsulfide borane complex in tetrahydrofuran T=0 - 70°C; 2: With hydrogenchloride; water in tetrahydrofuran T=0°C; 0.583333 h; Heating / reflux; 3: With sodium hydrogencarbonate in tetrahydrofuran; water

ammonia in ethanol; water T=20°C; 4 h;

1: With potassium carbonate; copper(I) bromide in dimethyl sulfoxide T=120°C; 24 h; Inert atmosphereSchlenk technique; 2: in dimethyl sulfoxide T=120°C; 0.5 h; Schlenk technique;

in dichloromethane T=20°C;