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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1290657Generated: October 28, 2026

4-Chlorobenzoyl chloride → HCID 18916107, compound

https://huagongshe.com/reaction/1290657

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chlorobenzoyl chlorideHCID 8501—
ReactantPotassium CarbonateHCID 11430—
Reactant4-Piperidone hydrochlorideHCID 3084851—
SolventTetrahydrofuranHCID 8028—
ProductHCID 18916107HCID 1891610761.6%

Reaction Steps

40.0 g (0.26 mol) of 4-piperidone hydrochloride (× H2O) and 38.6 g of potassium carbonate are suspended in 300 ml of tetrahydrofuran. 45.4 g of 4-chlorobenzoyl chloride are added thereto with stirring and the mixture is reacted for 2 hours at ambient temperature and refluxed for 2 hours. The reaction mixture is evaporated down in vacuo, the residue is neutralized with 2N hydrochloric acid and extracted with dichloromethane. 38 g of a viscous oil are obtained from the organic phase after removal of the extraction agent.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05753647
Source datasetuspto-grants-1998_05
ORD IDord-18e01c961f40433d8f6b7095926a6318
Source noteuspto-grants-1998_05