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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2167715Generated: November 1, 2026

Hydrochloric Acid → Pyrrolidine, 2-(2,5-difluorophenyl)-, hydrochloride (1:1), (2R)-

https://huagongshe.com/reaction/2167715

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant(R)-1-((S)-tert-butylsulfinyl)-2-(2,5-difluorophenyl)pyrrolidineHCID 89618669—
Solvent1,4-DioxaneHCID 31275—
ProductPyrrolidine, 2-(2,5-difluorophenyl)-, hydrochloride (1:1), (2R)-HCID 89618473—

Reaction Steps

4M HCl solution (in Dioxane) (75 mL) was added to stirred solution of (R)-1-((S)-tert-butylsulfinyl)-2-(2,5-difluorophenyl)pyrrolidine (15 g, 52.19 mmol) in Dioxane (25 mL) and stirring was continued at 20-35° C. for 4 h. After which the reaction mixture was concentrated under reduced pressure to afford the crude product. The crude product was purified by washing with diethyl ether to afford 7.5 g of the title compound as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045478B2
Source datasetuspto-grants-2015_06
ORD IDord-f649121b191b4d5f9738b722371ebc72
Source noteuspto-grants-2015_06