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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 603179Generated: November 4, 2026

Hydrochloric Acid → 1-[(1-Benzylpiperidin-3-yl)methyl]piperazin-2-one dihydrochloride

https://huagongshe.com/reaction/603179

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTert-butyl 4-[(1-benzylpiperidin-3-yl)methyl]-3-oxopiperazine-1-carboxylateHCID 57656824—
SolventDichloromethaneHCID 6344—
Solvent1,4-DioxaneHCID 31275—
Product1-[(1-Benzylpiperidin-3-yl)methyl]piperazin-2-one dihydrochlorideHCID 67220677100%

Reaction Steps

To a solution of tert-butyl 4-[(1-benzylpiperidin-3-yl)methyl]-3-oxopiperazine-1-carboxylate (95 mg) in dichloromethane (1 mL) was added 4M hydrochloric acid in dioxane (1 mL). The mixture was stirred at room temperature for 15 minutes and then evaporated to give the title compound as a sticky white solid (89 mg, 100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07906645B2
Source datasetuspto-grants-2011_03
ORD IDord-0e2b7747ec7a4b0f88a1e5c05f460ca3
Source noteuspto-grants-2011_03