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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1761648Generated: October 31, 2026

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

https://huagongshe.com/reaction/1761648

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl ChlorideHCID 24386—
Reactant3-Bromo-2,4,5-trifluorobenzoic acidHCID 2783246—
Product3-Bromo-2,4,5-trifluorobenzoyl chlorideHCID 13748802—

Reaction Steps

A solution of the 3-bromo-2,4,5-trifluorobenzoic acid (2.5 g) in thionyl chloride (10 ml) was refluxed for 2.5 hours, and then concentrated. The resulting residue was purified by distillation through Widmer fractionating column to give the title compound (2.3 g), bp 98°-102° C./18 mmHg.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04826982
Source datasetuspto-grants-1989_05
ORD IDord-e7c2bcbdd9f2453ebd6e159b46ed4b38
Source noteuspto-grants-1989_05