1,2-Benzenedicarboxylic acid, 4-nitro- → 4-Aminophthalic acid

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Reaction Steps

1 g (4.73 mmol) of 4-nitrophthalic acid is dissolved in 10 mL of anhydrous ethanol. The solution is stirred at room temperature and degassed under argon. 50 mg of palladium/charcoal (5%) are added in a single portion and hydrogen is bubbled into the solution. After 3 hours, the solution is filtered through Celite and then evaporated.

Provenance & Evidence