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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2041326Generated: November 3, 2026

Phosphorus tribromide → HCID 57656575, compound

https://huagongshe.com/reaction/2041326

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 numberUS08580780B2
Source datasetuspto-grants-2013_11
ORD IDord-059b6c174f0f497eb6b30a101d35aff6
Source noteuspto-grants-2013_11