1: CuCO3*Cu(OH)2 / quinoline / 180 - 190 °C 2: (i) NBS, (PhCO)2O2, CCl4, (ii) hexamethylenetetramine, CHCl3, (iii) aq. AcOH View Scheme

CuCO3*Cu(OH)2 in quinoline T=180 - 190°C;