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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1685171Generated: October 31, 2026

Hydrochloric Acid → {2-[4-(3-Chloro-4-fluoro-phenyl)-2-piperidin-4-yl-imidazol-1-yl]-ethyl}-dimethyl-amine di hydrochloride

https://huagongshe.com/reaction/1685171

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,4-DioxaneHCID 31275—
Reactant4-(4-(3-chloro-4-fluorophenyl)-1-(2-(dimethylamino)ethyl)-1H-imidazol-2-yl)piperidine-1-carboxylic acid tert-butyl esterHCID 67264782—
SolventMethanolHCID 887—
SolventDichloromethaneHCID 6344—
Product{2-[4-(3-Chloro-4-fluoro-phenyl)-2-piperidin-4-yl-imidazol-1-yl]-ethyl}-dimethyl-amine di hydrochlorideHCID 86641602—

Reaction Steps

Dissolve 4-(4-(3-chloro-4-fluorophenyl)-1-(2-(dimethylamino)ethyl)-1H-imidazol-2-yl)piperidine-1-carboxylic acid tert-butyl ester (194 mg; 0.43 mmol) in DCM (5 mL) and methanol (3 mL) and add 4 M hydrogen chloride in dioxane (5 mL; 20 mmol). Stir 30 min and evaporate; add DCM/MeOH and evaporate under vacuum to provide the title compound (245 mg) as a white solid. MS (ES): m/z=351 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08148387B2
Source datasetuspto-grants-2012_04
ORD IDord-4ebf1dd7bb674af08c5a88ec88501f02
Source noteuspto-grants-2012_04