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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1928980Generated: November 2, 2026

Hydrochloric Acid → 1-[2-(4-Methyl-piperidin-1-yl)-ethyl]-piperidin-4-ylamine tri-hydrochloride

https://huagongshe.com/reaction/1928980

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDichloromethaneHCID 6344—
Reactant{1-[2-(4-Methyl-piperidin-1-yl)-ethyl]-piperidin-4-yl}-carbamic acid tert-butyl esterHCID 66841138—
Solvent1,4-DioxaneHCID 31275—
Product1-[2-(4-Methyl-piperidin-1-yl)-ethyl]-piperidin-4-ylamine tri-hydrochlorideHCID 66841322—

Reaction Steps

The tert-butyl ester 9 (2 g, 6.14 mmol) is suspended in 10 ml of dioxane. DCM is then added until the solid dissolved. To this mixture, 4M−HCl in dioxane (12.3 ml, 49.2 mmol) is added. After stirring over night the solvents are evaporated to leave a white solid product.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08183366B2
Source datasetuspto-grants-2012_05
ORD IDord-876d417741b049ff8a6e0f9753c01f91
Source noteuspto-grants-2012_05