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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 633714Generated: October 25, 2026

Hydrogen Bromide → 2-Bromo-1-(4-methylthiazol-5-yl)ethanone hydrobromide

https://huagongshe.com/reaction/633714

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantDiethyl EtherHCID 3283—
ReactantBromineHCID 24408—
Reactant5-Acetyl-4-methylthiazoleHCID 162292—
SolventAcetic AcidHCID 176—
Product2-Bromo-1-(4-methylthiazol-5-yl)ethanone hydrobromideHCID 13173547374.5%

Reaction Steps

220 mg (1.56 mmol) of 1-(4-methylthiazol-5-yl)ethanone are dissolved in 10 mL of glacial acetic acid. 769 μl (4.67 mmol) of hydrobromic acid and 88 μl (1.71 mmol) of bromine are added to the medium. The reaction mixture is placed under magnetic stirring at room temperature for 2 hours. Ethyl ether is added to the solution until a precipitate appears. The precipitate corresponding to 2-bromo-1-(4-methylthiazol-5-yl)ethanone hydrobromide is filtered off, washed with ethyl ether and dried. The 350 mg of product obtained have the following characteristics:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09321790B2
Source datasetuspto-grants-2016_04
ORD IDord-44d8cd39d53b4e44a88f58b454fa5c87
Source noteuspto-grants-2016_04