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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2354035Generated: October 30, 2026

Ethanol → HCID 86074476, compound

https://huagongshe.com/reaction/2354035

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanolHCID 702—
ReactantN-MethylpiperidineHCID 12291—
Reactant1,4-CyclohexanedioneHCID 12511—
CatalystHCID 178418390HCID 178418390—
ProductHCID 86074476HCID 8607447665.5%

Reaction Steps

1.00 g of 1-methylpiperadine, 1.68 g of 1,4-cyclohexanedione and 40 mg of 10% palladium-carbon were heated with stirring in 40 ml of ethanol at 50° C. to 60° C. and reacted for 8 hours under air bubbling. During the reaction, ethanol was added as needed. After the completion of the reaction, the catalyst was removed by filtration and the filtrate was concentrated under reduced pressure. The resultant was purified by silica gel column chromatography (ethyl acetate:methanol=3:1) and 1.26 g of 1-(4-hydroxyphenyl)-4-methylpiperadine was obtained (yield 65.5%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07750156B2
Source datasetuspto-grants-2010_07
ORD IDord-4c00e2d3b4c34fafa61e4a9a98a0a713
Source noteuspto-grants-2010_07