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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1739973Generated: November 1, 2026

Thionyl Chloride → 4-Chloro-2-methoxybenzoyl chloride

https://huagongshe.com/reaction/1739973

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant4-Chloro-o-anisic acidHCID 93682—
Product4-Chloro-2-methoxybenzoyl chlorideHCID 22142450—

Reaction Steps

A solution of 2.0 g of 4-chloro-o-anisic acid in 22 ml of thionyl chloride is heated at reflux for 1 hour. The volatiles are evaporated in vacuo to give a residue which is is concentrated from toluene three times and dried under vacuum to give 2.0 g of the desired product as a residue.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05968930
Source datasetuspto-grants-1999_10
ORD IDord-289c8221c7b84af6b9e01a2adfc65a94
Source noteuspto-grants-1999_10