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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1902158Generated: October 30, 2026

Hydrogen Bromide → (R)-2-Amino-4-(4-hydroxyphenyl)butanoic acid hydrobromide

https://huagongshe.com/reaction/1902158

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
Reactant(2R)-2-[(methoxycarbonyl)amino]-4-(4-methoxyphenyl)-butanoic acidHCID 13944504—
SolventAcetic AcidHCID 176—
Product(R)-2-Amino-4-(4-hydroxyphenyl)butanoic acid hydrobromideHCID 56777052—

Reaction Steps

A solution of (2R)-2-[(methoxycarbonyl)amino]-4-(4-methoxyphenyl)-butanoic acid (5.0 g, 18.7 mmol) in 5 mL of 30% HBr in acetic acid was heated at 60° C. overnight. The reaction mixture was cooled to room temperature and the solvent was removed under reduced pressure to give the title compound as an orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05578593
Source datasetuspto-grants-1996_11
ORD IDord-cd495096f60c472b8b6e9f5ce78a2d6a
Source noteuspto-grants-1996_11