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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1096251Generated: November 2, 2026

Sodium Iodide → 3-Methyl-4-(3-trifluoromethoxy-phenyl)-piperazin-2-one

https://huagongshe.com/reaction/1096251

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium IodideHCID 5238—
ReactantSodium BicarbonateHCID 516892—
Reactant2-Chloro-N-[2-(3-trifluoromethoxy-phenylamino)-ethyl]-propionamideHCID 66783199—
SolventAcetoneHCID 180—
Product3-Methyl-4-(3-trifluoromethoxy-phenyl)-piperazin-2-oneHCID 6678300666.1%

Reaction Steps

Sodium iodide (64 mg, 0.43 mmol) and NaHCO3 (86 mg, 1.03 mmol) were added to a solution of 2-chloro-N-[2-(3-trifluoromethoxy-phenylamino)-ethyl]-propionamide (266 mg, 0.86 mmol) in acetone (20 mL). The reaction mixture was heated at reflux for 72 h, then evaporated. The residue was partitioned between EtOAc and water. The organic layer was dried (MgSO4), filtered, and evaporated. Chromatography (SiO2; heptane/EtOAc gradient) afforded the title compound (156 mg, 66%). Yellow oil, MS: 275.1 (M+H)−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08138175B2
Source datasetuspto-grants-2012_03
ORD IDord-66d3ae7731f04706afc3609aa0c226d2
Source noteuspto-grants-2012_03