hydrogen; calcium carbonate; rhodium on carbon nanotubes P=3040 - 3800 Torr;

1: 81 percent / bromine / CCl4 / 48 h / Ambient temperature 2: 81.5 percent / sodium acetate / methanol / 8 h / Heating 3: 66 percent / 1N potassium hydroxide / methanol / 20 h / Ambient temperature 4: 2percent sodium amalgam, 2N KOH / H2O; methanol View Scheme

potassium hydroxide in methanol; water 68 h; Ambient temperature;