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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 606222Generated: October 30, 2026

Dichloromethane → HCID 22248589, compound

https://huagongshe.com/reaction/606222

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantSodium BicarbonateHCID 516892—
ReactantHCID 22248150HCID 22248150—
SolventEthyl AcetateHCID 8857—
SolventHydrogen chloride-ethyl acetateHCID 21866389—
ProductHCID 22248589HCID 2224858979%

Reaction Steps

After dissolving 160 mg of 2-tert-butoxy-6-[2-[3-(2-fluorophenoxymethyl)piperidino]ethyl]pyrazine in 2 ml of ethyl acetate, 2 ml of 4N hydrogen chloride/ethyl acetate was added, and the mixture was allowed to stand at room temperature for 30 minutes. Aqueous sodium bicarbonate solution was added to the reaction solution and extraction was performed with dichloromethane. After drying over anhydrous magnesium sulfate, the solvent was distilled off under reduced pressure. The residue was dissolved in ethyl acetate, active carbon was added, and the mixture was filtered. The filtrate was concentrated under reduced pressure to obtain the title compound (108 mg, 79% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07915274B2
Source datasetuspto-grants-2011_03
ORD IDord-7f4e81632fe1435684768fc0c7ecfff0
Source noteuspto-grants-2011_03