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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1436653Generated: November 1, 2026

Chlorosulfonic acid → 3-Bromo-4-fluoro-5-(chlorosulfonyl)benzoic acid

https://huagongshe.com/reaction/1436653

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorosulfonic acidHCID 24638—
Reactant3-Bromo-4-fluorobenzoic acidHCID 70509—
Product3-Bromo-4-fluoro-5-(chlorosulfonyl)benzoic acidHCID 50998480—

Reaction Steps

Heat 3-bromo-4-fluorobenzoic acid (6.25 g, 26.2 mmol) in chlorosulfonic acid (15 mL) at 125° C. for 120 h. Cool to room temperature and add dropwise to about 125 mL ice water. Collect the filtered solid as the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07618978B2
Source datasetuspto-grants-2009_11
ORD IDord-482e5b46ba1b43518b84a133d311a127
Source noteuspto-grants-2009_11