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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1032834Generated: October 31, 2026

Hydrochloric Acid → Methyl 4-amino-5-chloro-2-methoxybenzoate

https://huagongshe.com/reaction/1032834

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantMethanolHCID 887—
Reactant4-Amino-5-chloro-2-methoxybenzoic acidHCID 81626—
ProductMethyl 4-amino-5-chloro-2-methoxybenzoateHCID 700493—

Reaction Steps

To a solution of 50 g of 2-methoxy-4-amino-5-chlorobenzoic acid in 500 ml of methanol is added HCl gas until all the material dissolves. Stirring is continued overnight, the solvent removed, ether added, filtered, dried over magnesium sulfate and evaporated to dryness to obtain methyl 2-methoxy-4-amino-5-chlorobenzoate which is used directly in the next step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04959485
Source datasetuspto-grants-1990_09
ORD IDord-1b003ba7cbfc4b83ba10f042a279fb0f
Source noteuspto-grants-1990_09