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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 260982Generated: October 30, 2026

Thionyl Chloride → 3-Chloro-2,4,5-trifluorobenzoyl chloride

https://huagongshe.com/reaction/260982

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant2,4,5-Trifluorobenzoic acidHCID 521170—
Reactant3-Chloro-2,4,5-trifluorobenzoic AcidHCID 2734269—
Product3-Chloro-2,4,5-trifluorobenzoyl chlorideHCID 2782245—

Reaction Steps

The chlorination of 2,4,5-trifluorobenzoic acid in chlorosulphonic acid leads to 3-chloro-2,4,5-trifluorobenzoic acid which is reacted as the crude product with thionyl chloride to give 3-chloro-2,4,5-trifluorobenzoyl chloride (boiling point 94°/18 mbar; nD20 =1.5164): ##STR18##

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05530158
Source datasetuspto-grants-1996_06
ORD IDord-38ab52e7bf344f2b9d55e3e79b300f4f
Source noteuspto-grants-1996_06