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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 231625Generated: October 26, 2026

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

https://huagongshe.com/reaction/231625

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 a crude product with thionyl chloride to give 3-chloro-2,4,5-trifluorobenzoyl chloride (boiling point 94°/18 mbar; nD20 =1.5164): ##STR14##

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04847375
Source datasetuspto-grants-1989_07
ORD IDord-815ae327e8d2461e98f565a02497dfb9
Source noteuspto-grants-1989_07