sodium hydroxide; silver nitrate T=55°C; 0.25 h;

1: stannous chloride, conc. HCl / 0 - 65 °C 2: 1.) 23percent NaNO2, CuCl / 1.) H2O, from 0 to 5 deg C, 1.5 h, 2.) H2O, from 75 deg C to RT, overnight 3: 50 percent / AgNO3, aq. NaOH / 0.25 h / 55 °C View Scheme

1: 1.) 23percent NaNO2, CuCl / 1.) H2O, from 0 to 5 deg C, 1.5 h, 2.) H2O, from 75 deg C to RT, overnight 2: 50 percent / AgNO3, aq. NaOH / 0.25 h / 55 °C View Scheme