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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293371Generated: October 30, 2026

Hydrochloric Acid → 1-(Pyridin-2-yl)piperidin-4-amine

https://huagongshe.com/reaction/1293371

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant2-(4-Boc-Aminopiperidino)pyridineHCID 53792444—
Solvent1,4-DioxaneHCID 31275—
Product1-(Pyridin-2-yl)piperidin-4-amineHCID 10197934—

Reaction Steps

To a stirred solution of (3,4,5,6-tetrahydro-2H-(1,2′)bipyridinyl-4-yl)-carbamic acid tert-butyl ester (0.45 g, 1.49 mmol ) in dioxane (3.0 mL) at room temperature was added 4M HCl in dioxane (8 mL). The reaction mixture was stirred at room temperature 30 minutes. The reaction mixture was concentrated under reduced pressure, and the residue treated with ether. The titled compound was collected by filtration. MS (CI) m/z 203 (M+1)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238724B2
Source datasetuspto-grants-2007_07
ORD IDord-e7f6777f1dc640538adc8eb40e41d332
Source noteuspto-grants-2007_07