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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 589175Generated: October 26, 2026

Hydrogen Bromide → 2-Bromo-1-(5-bromopyridin-2-YL)ethanone

https://huagongshe.com/reaction/589175

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantWaterHCID 962—
ReactantBromineHCID 24408—
Reactant1-(5-Bromopyridin-2-yl)ethan-1-oneHCID 23145345—
SolventAcetic AcidHCID 176—
Product2-Bromo-1-(5-bromopyridin-2-YL)ethanoneHCID 23624707—

Reaction Steps

1-(5-bromopyridin-2-yl)ethanone (200 mg, 1.0 mmol) was dissolved in Acetic acid (50 mL) and HBr in Acetic acid (48% solution, 280 uL) was added along with water (100 uL). Warmed to 70 C and added Bromine (51.5 uL, 1.0 mmol) and stirred for 1 hour. The reaction was concentrated to give the desired product (280 mg) containing a small amount of dibrominated product. This material was used as is.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09227971B2
Source datasetuspto-grants-2016_01
ORD IDord-9e86130f31db484c83063b1007b90d27
Source noteuspto-grants-2016_01