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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2383757Generated: October 25, 2026

Potassium Carbonate → 1-Benzothiazol-2-yl-3-(4-methylpyridin-3-yl)imidazolidin-2-one

https://huagongshe.com/reaction/2383757

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant1,2-Diaminocyclohexane, trans-HCID 43806—
Reactant2-Bromo-1,3-benzothiazoleHCID 612040—
Reactant1-(4-Methylpyridin-3-yl)imidazolidin-2-oneHCID 59636170—
CatalystCopper iodideHCID 83717—
Solvent1,4-DioxaneHCID 31275—
Product1-Benzothiazol-2-yl-3-(4-methylpyridin-3-yl)imidazolidin-2-oneHCID 6878223336.5%

Reaction Steps

Using the same reaction conditions as in Example 14, 1-(4-methyl-pyridin-3-yl)-imidazolidin-2-one (I-14b: 150 mg, 0.84 mmol) was reacted with 2-bromo-benzothiazole (179 mg, 0.847 mmol), 1,4-dioxane (10 mL), copper iodide (16 mg, 0.084 mmol), trans-1,2-diamino cyclohexane (28.8 mg, 0.25 mmol) and potassium carbonate (231 mg, 1.68 mmol) to afford the crude product. Purification by column chromatography on silica gel (1.5% MeOH in CHCl3) afforded 95 mg of the product (36.5% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08263635B2
Source datasetuspto-grants-2012_09
ORD IDord-96169122952b47f8972e32a9b9af17a3
Source noteuspto-grants-2012_09