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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2384557Generated: November 1, 2026

Hydrogen Bromide → HCID 59597449, compound

https://huagongshe.com/reaction/2384557

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantN-bromobutanimideHCID 67184—
Reactant2-[4-(Trifluoromethoxy)phenyl]acetic acidHCID 2777319—
ReactantHCID 86613164HCID 86613164—
CatalystDimethylformamideHCID 6228—
SolventMethanolHCID 887—
ProductHCID 59597449HCID 59597449—

Reaction Steps

To a solution of 4-trifluoromethoxyphenylacetic acid (5 g, 23 mmol) in carbon tetrachloride oxalyl chloride (25 mmol) and two drops of DMF were added at 0° C. After stirring the solution at room temperature for 1 h, NBS (25 mmol) and few drops of 48% HBr were added and the mixture was heated to reflux for 4 h. The solution was allowed to cool, MeOH (5 mL) was added and the mixture was stirred at room temperature for 1 h.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08263782B2
Source datasetuspto-grants-2012_09
ORD IDord-528a68d4c6ea4b35a99beb0524c46088
Source noteuspto-grants-2012_09