hydrogenchloride; copper dichloride 23 h; Heating;

1: 90 percent / copper(II) chloride dihydrate, HCl / 23 h / Heating 2: 87 percent / 1N NaOH / tetrahydrofuran / 1.5 h / Ambient temperature View Scheme

1: 90 percent / copper(II) chloride dihydrate, HCl / 23 h / Heating 2: 87 percent / 1N NaOH / tetrahydrofuran / 1.5 h / Ambient temperature 3: oxalyl chloride / CH2Cl2 / 15 h / Ambient temperature View Scheme

1: 90 percent / copper(II) chloride dihydrate, HCl / 23 h / Heating 2: 87 percent / 1N NaOH / tetrahydrofuran / 1.5 h / Ambient temperature 3: oxalyl chloride / CH2Cl2 / 15 h / Ambient temperature 4: 59 percent / AlCl3 / nitromethane / 1.) 0 deg C, 3 h, 2.) RT, 20 h 5: 28 percent / 1.5 h / 90 °C View Scheme