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



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