1.1
Reagents:
Sodium carbonate
Catalysts:
Tetrakis(triphenylphosphine)palladium
Solvents:
1,4-Dioxane
,
Water
;
4 h, 100 °C
1.2
Reagents:
Zinc
,
Hydrochloric acid
Solvents:
Ethanol
,
Water
;
rt; 12 h, 80 °C
1.3
Reagents:
Sodium bicarbonate
Solvents:
Water
;
pH 8


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