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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 80026Generated: October 26, 2026

Potassium Carbonate → 1-Ethyl-6-(2-oxo-3-pyridin-3-yl-imidazolidin-1-yl)-3,4-dihydro-1H-quinolin-2-one

https://huagongshe.com/reaction/80026

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant1,2-Diaminocyclohexane, trans-HCID 43806—
Reactant1-(Pyridin-3-yl)imidazolidin-2-oneHCID 14834204—
Reactant6-Bromo-1-ethyl-3,4-dihydroquinolin-2(1H)-oneHCID 66911304—
CatalystCopper iodideHCID 83717—
Solvent1,4-DioxaneHCID 31275—
Product1-Ethyl-6-(2-oxo-3-pyridin-3-yl-imidazolidin-1-yl)-3,4-dihydro-1H-quinolin-2-oneHCID 5963626747.71%

Reaction Steps

Using the same reaction conditions as in Example 1, 1-pyridin-3-yl-imidazolidin-2-one (I-1b: 95 mg, 0.5882 mmol) was reacted with 6-bromo-1-ethyl-3,4-dihydro-1H-quinolin-2-one (150 mg, 0.5882 mmol), 1,4-dioxane (5 mL), copper iodide (11 mg, 0.05882 mmol), trans-1,2-diamino cyclohexane (10 mg, 0.08823 mmol) and potassium carbonate (162 mg, 1.1764 mmol) to afford the crude product. Purification by column chromatography on silica gel (1% MeOH in chloroform), afforded 94 mg of the product (47.71% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE045173E1
Source datasetuspto-grants-2014_09
ORD IDord-b4f536c895cb4b9a9543bf91f3b56403
Source noteuspto-grants-2014_09