1.1
Reagents:
Sodium hydroxide
,
Hydrazine hydrate (1:1)
Catalysts:
Nickel dichloride
Solvents:
Water
;
rt → 60 °C; 60 °C; 4 h, 60 °C; cooled
1.2
Reagents:
Sulfuric acid
Solvents:
Water


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