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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 572373Generated: October 27, 2026

Potassium Phosphate, Tribasic → 1-(4-Cyclopropylpyridin-3-yl)-3-(2-(trifluoromethyl) pyridin-4-yl)imidazolidin-2-one

https://huagongshe.com/reaction/572373

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactanttrans-N,N'-dimethyl-1,2-cyclohexanediamineHCID 2733821—
Reactant4-Bromo-2-(trifluoromethyl)pyridineHCID 23436950—
Reactant1-(4-Cyclopropylpyridin-3-yl)imidazolidin-2-oneHCID 70982007—
CatalystCopper iodideHCID 83717—
Product1-(4-Cyclopropylpyridin-3-yl)-3-(2-(trifluoromethyl) pyridin-4-yl)imidazolidin-2-oneHCID 6657641133.4%

Reaction Steps

Using analogous reagents and reaction conditions as described in Example 1 above, 1-(4-cyclopropylpyridin-3-yl)imidazolidin-2-one (I-1d: 70 mg, 0.344 mmol) was reacted with 4-bromo-2-(trifluoromethyl)pyridine (93.5 mg, 0.413 mmol) 1,4-dioxane (5 mL), copper iodide (6.5 mg, 0.034 mmol), trans-N,N′-dimethylcyclohexane-1,2-diamine (4.8 mg, 0.034 mmol) and potassium phosphate (219 mg, 1.034 mmol) to afford the crude product. Purification by preparative HPLC afforded 40 mg of the product (33% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09029399B2
Source datasetuspto-grants-2015_05
ORD IDord-5838d25671634247bb615bdb87093e22
Source noteuspto-grants-2015_05