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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 475368Generated: October 26, 2026

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

https://huagongshe.com/reaction/475368

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 numberUS08637546B2
Source datasetuspto-grants-2014_01
ORD IDord-5c59dd33b463477da7816498f9f41e5b
Source noteuspto-grants-2014_01