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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 910872Generated: October 31, 2026

Hydrogen Bromide → 4-Chloro-2-hydroxyphenylacetic acid

https://huagongshe.com/reaction/910872

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
Reactant2-(4-Chloro-2-methoxyphenyl)acetic acidHCID 14675568—
SolventAcetic AcidHCID 176—
Product4-Chloro-2-hydroxyphenylacetic acidHCID 133825—

Reaction Steps

4-chloro-2-methoxy-benzeneacetic acid (1.4 g), HBr (25 ml), acetic acid (5 ml) were refluxed for 48 h then evaporated under reduced pressure. The residue was azeotroped with toluene and triturated with diethyl ether and isohexane. Yield 0.56 g.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08022248B2
Source datasetuspto-grants-2011_09
ORD IDord-aec44375af674c33840c44931fe1fa8a
Source noteuspto-grants-2011_09