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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2100374Generated: November 1, 2026

Ethanol → Ethyl 4-bromo-3-hydroxybenzoate

https://huagongshe.com/reaction/2100374

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantSulfuric AcidHCID 1118—
Reactant4-Bromo-3-hydroxybenzoic acidHCID 6420973—
ProductEthyl 4-bromo-3-hydroxybenzoateHCID 12134897—

Reaction Steps

4-Bromo-3-hydroxybenzoic acid (100 mg) was dissolved in absolute ethanol (10 ml) and concentrated sulfuric acid (60 μl) added. The reaction was heated at reflux under nitrogen for 22 hours. The solvent was evaporated and the residue was partitioned between ethyl acetate/chloroform (1:1) and water. The organic layers were combined, dried using a hydrophobic filter and the solvent evaporated leaving ethyl 4-bromo-3-hydroxybenzoate as a white solid (109 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07572790B2
Source datasetuspto-grants-2009_08
ORD IDord-5dfc95da70c343029ba119c9f683b134
Source noteuspto-grants-2009_08