hydrazine hydrate T=110°C; 3 h;

hydrogen; palladium on activated charcoal in methanol

1: 95 percent / tert-butyl hypochlorite / CH2Cl2 / 0.33 h / 0 °C 2: 60 percent / Ag2CO3, trifluoroacetic acid / 0.5 h / 0 °C 3: 98 percent / H2 / 10percent Pd/C / methanol View Scheme

1: 60 percent / Ag2CO3, trifluoroacetic acid / 0.5 h / 0 °C 2: 98 percent / H2 / 10percent Pd/C / methanol View Scheme

1: 91 percent / sodium carbonate / benzene; H2O / 5 h / Ambient temperature 2: 95 percent / tert-butyl hypochlorite / CH2Cl2 / 0.33 h / 0 °C 3: 60 percent / Ag2CO3, trifluoroacetic acid / 0.5 h / 0 °C 4: 98 percent / H2 / 10percent Pd/C / methanol View Scheme

aluminium trichloride T=230°C;