potassium hydrogencarbonate in chloroform 24.5 h; Ambient temperature;

1: 77 percent / sodium dithionite / methanol; aq. NH3 / 1.) 30 min, 2.) refrigerator, 1 h 2: 81 percent / potassium bicarbonate / CHCl3 / 24.5 h / Ambient temperature View Scheme

1: 83 percent / pyridine / 13 h / Ambient temperature 2: 77 percent / sodium dithionite / methanol; aq. NH3 / 1.) 30 min, 2.) refrigerator, 1 h 3: 81 percent / potassium bicarbonate / CHCl3 / 24.5 h / Ambient temperature View Scheme

1: 83 percent / pyridine / 13 h / Ambient temperature 2: 77 percent / sodium dithionite / methanol; aq. NH3 / 1.) 30 min, 2.) refrigerator, 1 h 3: 81 percent / potassium bicarbonate / CHCl3 / 24.5 h / Ambient temperature View Scheme

1: lead tetraacetate / CHCl3 / 2 h / Ambient temperature 2: 75 percent / conc. HCl / acetic acid; acetic acid / 1 h / Ambient temperature View Scheme