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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 80125Generated: October 26, 2026

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

https://huagongshe.com/reaction/80125

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2-Diaminocyclohexane, trans-HCID 43806—
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactant4-Bromo-2-methylpyridineHCID 2762835—
Reactant1-(4-Methylpyridin-3-yl)imidazolidin-2-oneHCID 59636170—
CatalystCopper iodideHCID 83717—
Solvent1,4-DioxaneHCID 31275—
Product1-(4-Methyl-pyridin-3-yl)-3-(2-methyl-pyridin-4-yl)-imidazolidin-2-oneHCID 4987225188%

Reaction Steps

Using the same reaction conditions as in Example 14, 1-(4-methyl-pyridin-3-yl)-imidazolidin-2-one (I-14b: 100 mg, 0.5649 mmol) was reacted with 4-bromo-2-methyl-pyridine (97 mg, 0.5649 mmol), 1,4-dioxane (5 mL), copper iodide (10.76 mg, 0.05649 mmol), trans-1,2-diamino cyclohexane (19.4 mg, 0.1694 mmol) and potassium phosphate (359.58 mg, 1.694 mmol) to afford the crude product. Purification by column chromatography on silica gel (2% MeOH in CHCl3) afforded 132 mg of the product (88.0% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUSRE045173E1
Source datasetuspto-grants-2014_09
ORD IDord-2671fa5e1aee4e0d81fb4fc248da5ab1
Source noteuspto-grants-2014_09