Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 80129Generated: October 26, 2026

1,2-Diaminocyclohexane, trans- → 1-(4-Acetyl-3-fluoro-phenyl)-3-(4-methyl-pyridin-3-yl)-imidazolidin-2-one

https://huagongshe.com/reaction/80129

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2-Diaminocyclohexane, trans-HCID 43806—
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactant1-(4-Bromo-2-fluorophenyl)ethan-1-oneHCID 21938581—
Reactant1-(4-Methylpyridin-3-yl)imidazolidin-2-oneHCID 59636170—
CatalystCopper iodideHCID 83717—
Solvent1,4-DioxaneHCID 31275—
Product1-(4-Acetyl-3-fluoro-phenyl)-3-(4-methyl-pyridin-3-yl)-imidazolidin-2-oneHCID 6878451688.2%

Reaction Steps

Using the same reaction conditions as in Example 14, 1-(4-methyl-pyridin-3-yl)-imidazolidin-2-one (I-14b: 500 mg, 2.8216 mmol) was reacted with 1-(4-bromo-2-fluoro-phenyl)-ethanone (679.9 mg, 3.1038 mmol), 1,4-dioxane (50 mL), copper iodide (53.6 mg, 0.28216 mmol), trans-1,2-diamino cyclohexane (97.09 mg, 0.84650 mmol) and potassium phosphate (1.49 g, 7.0541 mmol) to afford the crude product. Purification by column chromatography on silica gel (2% MeOH in CHCl3) afforded 780 mg of 1-(4-acetyl-3-fluoro-phenyl)-3-(4-methyl-pyridin-3-yl)-imidazolidin-2-one (88.2% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE045173E1
Source datasetuspto-grants-2014_09
ORD IDord-f4050e549a6643f3af8519e5651a8db5
Source noteuspto-grants-2014_09