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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1754164Generated: November 3, 2026

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

https://huagongshe.com/reaction/1754164

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant3,5-Dichloro-4-fluorobenzoic acidHCID 19971303—
CatalystDimethylformamideHCID 6228—
SolventChloroformHCID 6212—
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 CHCl3. The solvent and volatile by-products were removed in vacuo to provide 3,5-dichloro-4-fluorbenzoyl chloride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09169210B2
Source datasetuspto-grants-2015_10
ORD IDord-43179f66f35b402986da0c442cb6d136
Source noteuspto-grants-2015_10