1.1 Reagents: Potassium persulfate Catalysts: Copper bromide (CuBr) Solvents: Acetonitrile ; 12 h, 50 °C; 50 °C → rt
1.2 Reagents: Hydrochloric acid Solvents: Ethanol , Water ; 12 h, 100 °C; 100 °C → rt
1.3 Reagents: Sodium bicarbonate Solvents: Water ; neutralized
1.1 Reagents: Potassium persulfate Catalysts: Copper bromide (CuBr) Solvents: Acetonitrile ; 12 h, 50 °C
2.1 Reagents: Hydrochloric acid Solvents: Ethanol , Water ; 12 h, 100 °C; 100 °C → rt
2.2 Reagents: Sodium bicarbonate Solvents: Water ; neutralized