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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1703395Generated: October 30, 2026

Anthranilic Acid → 2-Amino-4-methoxybenzoic acid

https://huagongshe.com/reaction/1703395

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAnthranilic AcidHCID 227—
ReactantAmmonium HydroxideHCID 14923—
Reactant4-Methoxy-2-nitrobenzoic acidHCID 288657—
Product2-Amino-4-methoxybenzoic acidHCID 351010—

Reaction Steps

A solution of 4-methoxy-2-nitrobenzoic acid (19.3 g., 97.9 mmole) in 200 ml. 1 N NH4OH was reduced overnight in presence of 5% Pd/BaCO3. The reaction mixture was filtered and acidified with acetic acid to yield 15.8 g. (96%) of the anthranilic acid, M.P. 186°-188° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04351940
Source datasetuspto-grants-1982_09
ORD IDord-c7dc37a778404e8eb5433e823c8e2311
Source noteuspto-grants-1982_09