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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 513233Generated: October 30, 2026

Hydrogen Peroxide → 2-Amino-4-bromo-3-methoxybenzoic acid

https://huagongshe.com/reaction/513233

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen PeroxideHCID 784—
ReactantSodium HydroxideHCID 14798—
Reactant6-Bromo-7-methoxyindoline-2,3-dioneHCID 117599994—
SolventWaterHCID 962—
Product2-Amino-4-bromo-3-methoxybenzoic acidHCID 117599761—

Reaction Steps

H2O2 (37%, 7.7 mL, 0.075 mol) in H2O (70 mL) is slowly added to the solution of 6-Bromo-7-methoxy-1H-indole-2,3-dione (8.0 g, 0.0312 mol), NaOH (8.8 g, 0.219 mol) in H2O (200 mL) then stirred at room temperature for 1 hour. After reaction, the mixture is filtered and the solid is dried under vacuum to give the desired product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09102684B2
Source datasetuspto-grants-2015_08
ORD IDord-3eb192af572943b6913c4b1e06f8f538
Source noteuspto-grants-2015_08