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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1774909Generated: October 31, 2026

Thionyl bromide → 4-(Bromomethyl)-2-chloropyridine

https://huagongshe.com/reaction/1774909

Reaction equation

Participants

RoleNameHCIDCharge
ReactantThionyl bromideHCID 68176—
Reactant(2-Chloropyridin-4-yl)methanolHCID 7062237—
SolventDichloromethaneHCID 6344—
Product4-(Bromomethyl)-2-chloropyridineHCID 12954807—

Reaction Steps

To a solution of 2-chloropyridine-4-methanol (1.02 g, 7.10 mmol) in 15 mL of dichloromethane was added thionyl bromide (1.77 g, 8.53 mmol) dropwise. After 15 min, the reaction was quenched with saturated aqueous ammonium chloride. The organic solution was washed 2× with water, dried over sodium sulfate, filtered, and concentrated in vacuo to provide 4-(bromomethyl)-2-chloropyridine that gave a mass ion (ES+) of 208.0 for [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09260418B2
Source datasetuspto-grants-2016_02
ORD IDord-3fb61f897cb34684b490560ebf7bcbe7
Source noteuspto-grants-2016_02