反应条件
1: H2O; methanol 2: 97 percent / dimethylformamide / 20 °C / electrolysis; anode: platinum, cathode: mercury pool; lithium perchlorate, potential of -1V (vs saturated calomel electrode) 3: 77 percent / aq. 15percent HCl, HgCl2 / 6 h / Heating View Scheme