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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 5877Generated: October 24, 2026

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

https://huagongshe.com/en/reaction/5877

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 50g 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 numberUS05246942
Source datasetuspto-grants-1993_09
ORD IDord-1eb26c95049e45f5a0d34f4298931c2b
Source noteuspto-grants-1993_09