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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1774032Generated: November 1, 2026

Thionyl Chloride → 3,5-Dichloro-4-fluorobenzoyl chloride

https://huagongshe.com/reaction/1774032

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant3,5-Dichloro-4-fluorobenzoic acidHCID 19971303—
CatalystDimethylformamideHCID 6228—
Product3,5-Dichloro-4-fluorobenzoyl chlorideHCID 19612379—

Reaction Steps

3,5-dichloro-4-fluorobenzoic acid was refluxed with >1 equivalent of thionyl chloride and one drop of DMF neat or as a solution in CDCl3. The solvent and volatile by-products were removed in vacuo to provide 3,5-dichloro-4-fluorobenzoyl chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09255273B2
Source datasetuspto-grants-2016_02
ORD IDord-017c53cf07b1405e9d4cf673fd8214a3
Source noteuspto-grants-2016_02