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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1490233Generated: October 25, 2026

Dihydroxyacetone → 2-(5-Bromo-2-methoxyphenyl)-4-hydroxymethylimidazole

https://huagongshe.com/reaction/1490233

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDihydroxyacetoneHCID 670—
ReactantAmmonium HydroxideHCID 14923—
ReactantAmmonium ChlorideHCID 25517—
Reactant5-Bromo-2-methoxy-benzamidineHCID 10353755—
SolventTetrahydrofuranHCID 8028—
Product2-(5-Bromo-2-methoxyphenyl)-4-hydroxymethylimidazoleHCID 10334004—

Reaction Conditions

Temperature90 °C

Reaction Steps

A mixture of 5-Bromo-2-methoxy-benzamidine (1.5 g), 1,3-dihydroxy-acetone dimer (1.0 g), ammonium chloride (1.3 g), tetrahydrofuran (3 mL) and concentrated aqueous ammonium hydroxide (10 mL) was heated at 90° C. for 3 h. The reaction mixture was chilled on ice and the precipitated product was collected and recrystallized from methanol to afford 2-(5-Bromo-2-methoxyphenyl)-5-hydroxymethyl-imidazole as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05681956
Source datasetuspto-grants-1997_10
ORD IDord-d3c06cc131c0488cabbe801bbf9f3ec4
Source noteuspto-grants-1997_10