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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1837597Generated: October 30, 2026

Dichloromethane → Ethyl 1-(pyridin-4-yl)piperidine-4-carboxylate

https://huagongshe.com/reaction/1837597

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantTriethylamineHCID 8471—
ReactantEthyl 4-piperidinecarboxylateHCID 70770—
Reactant4-Chloropyridine hydrochlorideHCID 81852—
SolventO-XyleneHCID 7237—
ProductEthyl 1-(pyridin-4-yl)piperidine-4-carboxylateHCID 9899468—

Reaction Steps

4.0 g (26.6 mmol) of 4-chloropyridine hydrochloride, 4.2 g (26.6 mmol) of ethyl piperidine-4-carboxylate and 7.4 ml (53.2 mmol) of triethylamine were stirred in 100 ml of xylene at 130° C. for 24 hours. The reaction mixture was treated with dichloromethane as extracting solvent by an ordinary method to obtain the crude compound, which was purified by the silica gel column chromatography to obtain the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06784191B2
Source datasetuspto-grants-2004_08
ORD IDord-1c7c10de9df743bfa2f87502d3d30915
Source noteuspto-grants-2004_08