Tl(NO3)2*3H2O in methanol T=20°C; 24 h;

1: 84.3 percent / 50percent aq. KOH / ethanol / 24 h / Ambient temperature 2: thallium nitrate / CHCl3 / Ambient temperature 3: H2, triethylamine / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature 4: 5percent HCl / methanol / 2 h / Heating View Scheme

1: thallium nitrate / CHCl3 / Ambient temperature 2: H2, triethylamine / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature 3: 5percent HCl / methanol / 2 h / Heating View Scheme

tetrakis(triphenylphosphine) palladium(0); potassium carbonate in tetrahydrofuran; water Reflux;