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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 80113Generated: October 24, 2026

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

https://huagongshe.com/en/reaction/80113

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2-Diaminocyclohexane, trans-HCID 43806—
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactant1-Bromo-3-chloro-2-fluorobenzeneHCID 3685762—
Reactant1-(4-Methylpyridin-3-yl)imidazolidin-2-oneHCID 59636170—
CatalystCopper iodideHCID 83717—
Solvent1,4-DioxaneHCID 31275—
Product1-(3-Chloro-2-fluoro-phenyl)-3-(4-methyl-pyridin-3-yl)-imidazolidin-2-oneHCID 596362043.1%

Reaction Steps

Using the same reaction conditions as described in Example 14, 1-(4-methyl-pyridin-3-yl)-imidazolidin-2-one (I-14b: 0.15 g, 0.847 mmol) was reacted with 1-bromo-3-chloro-2-fluoro-benzene (0.211 g, 1.016 mmol), 1,4-dioxane (20 mL), copper iodide (0.015 g, 0.084 mmol), trans-1,2-diamino cyclohexane (0.028 g, 0.254 mmol) and potassium phosphate (0.445 g, 2.1 mmol) to afford 8 mg of the product (0.03% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE045173E1
Source datasetuspto-grants-2014_09
ORD IDord-44f99ce1a01046da91ca7db21ce6fc8b
Source noteuspto-grants-2014_09