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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2120426Generated: November 2, 2026

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

https://huagongshe.com/reaction/2120426

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2-Benzenedicarboxylic acid, 4-nitro-HCID 69121—
SolventEthanolHCID 702—
Product4-Aminophthalic acidHCID 72912—

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 5% palladium/carbon are added all at once and hydrogen is bubbled through the solution. After 3 hours, the solution is filtered on celite and then evaporated.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06689922B1
Source datasetuspto-grants-2004_02
ORD IDord-aa373232ad7446578dd043244734d691
Source noteuspto-grants-2004_02