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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 911445Generated: November 1, 2026

Phosphorus tribromide → HCID 57656575, compound

https://huagongshe.com/reaction/911445

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus tribromideHCID 24614—
ReactantHCID 57655910HCID 57655910—
SolventTetrahydrofuranHCID 8028—
SolventEthyl AcetateHCID 8857—
ProductHCID 57656575HCID 5765657583.3%

Reaction Conditions

Temperature0 °C

Reaction Steps

Add phosphorous tribromide (1.45 g, 5.34 mmol) slowly to a solution of 1-(4-hydroxymethyl-phenoxy)-3,3-dimethylbutan-2-one (1.08 g, 4.85 mmol) in anhydrous THF under nitrogen at 0° C. Stir at 0° C. for 1 h and then raise to ambient temperature. Stir overnight. Dilute with EtOAc, wash with saturated aqueous NaHCO3, brine, dry over Na2SO4, filter and concentrate. Purify the residue by chromatography on silica gel eluting with EtOAc:hexane (1:6) to provide the title compound (1.152 g, 83%). MS (ES+) m/z: 205 (M-Br)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08022062B2
Source datasetuspto-grants-2011_09
ORD IDord-cc8b3b504e074e809a7dfdbff5b62830
Source noteuspto-grants-2011_09