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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 451616Generated: October 30, 2026

Piperidine → HCID 67187268, compound

https://huagongshe.com/reaction/451616

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperidineHCID 8082—
Reactant5,6-Difluoro-1-indanoneHCID 11768944—
SolventPyridineHCID 1049—
ProductHCID 67187268HCID 67187268—

Reaction Steps

5,6-difluoro-indan-1-one (2.49 g, 14.8 mmol) and piperidine (4.4 ml, 3.78 g, 44.4 mmol) were dissolved in pyridine (10 ml) and heated to reflux for 16 hours. The reaction was cooled, and the solvent removed under vacuum. The residue was taken in ethyl ether, washed with 1N aqueous sodium hydroxide and water, dried with magnesium sulfate, and the solvent removed under vacuum to give the desired product as 2.97 g of a black solid that was used without further purification. 1H NMR (300 MHz, CDCl3) 7.32 (d, 1H), 6.88 (d, 1H), 3.19 (m, 4H), 3.03 (m, 2H), 2.66 (m, 2H), 1.73 (m, 4H), 1.62 (m, 2H). MS (CSI) m/e 234 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08487116B2
Source datasetuspto-grants-2013_07
ORD IDord-b394b8a175d84154a5a9758629da0424
Source noteuspto-grants-2013_07