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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 637220Generated: October 26, 2026

Hydrochloric Acid → 5-Hydroxy-2-methoxybenzoic acid

https://huagongshe.com/reaction/637220

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantMethyl 5-hydroxy-2-methoxybenzoateHCID 592162—
SolventMethanolHCID 887—
Product5-Hydroxy-2-methoxybenzoic acidHCID 18464607—

Reaction Steps

Combine methyl 2-methoxy-5-hydroxybenzoate (0.37 g, 2.0 mmol) and a 1 M aqueous sodium hydroxide solution (20 mL, 20 mmol) in methanol (20 mL). After 2 hours, adjust the pH to about 2 using a 1 M aqueous hydrochloric acid solution and extract with dichloromethane. Dry the organic layer over MgSO4, filter, and evaporate in uacuo to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06194406B1
Source datasetuspto-grants-2001_02
ORD IDord-3f12afcc1c174ac69b3c27902366c144
Source noteuspto-grants-2001_02