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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 396311Generated: October 29, 2026

Water → HCID 22278904, compound

https://huagongshe.com/reaction/396311

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantMethyl iodideHCID 6328—
Reactant1-Benzyl-3-ethylpiperidin-4-oneHCID 6490960—
ReactantPotassium tert-butoxideHCID 23665647—
SolventTetrahydrofuranHCID 8028—
ProductHCID 22278904HCID 22278904—

Reaction Steps

1-Benzyl-3-ethylpiperidin-4-one (2 g, 9.2 mmole) was added to the stirred suspension of potassium tert.-butoxide (1.5 g, 13.3 mmole) in tetrahydrofuran (25 ml) at 0° C. The reaction mixture was stirred for 15 min, methyl iodide (2 g, 14.1 mmole) was added over a period of 10 min at 0° C. and stirring continued for 1 hr. The resulting mixture was stirred for 16 hr at ambient temperature, water (25 ml) was added and extracted with ethyl acetate (100 ml). Ethyl acetate layer on concentrated furnished 1-benzyl-3-ethyl-3-methylpiperid-4-one as oil, which was used as such in the next step. Yield 1.5 g (71%), C15H2NO, m/z 232 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06608078B2
Source datasetuspto-grants-2003_08
ORD IDord-a40a60d20f83473c94ec83ade07cf190
Source noteuspto-grants-2003_08