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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1577342Generated: October 31, 2026

Anthranilic Acid → 2-Amino-4-methoxybenzoic acid

https://huagongshe.com/reaction/1577342

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 numberUS04287341
Source datasetuspto-grants-1981_09
ORD IDord-d022c4e4ef194820864ca779f32ffcb4
Source noteuspto-grants-1981_09