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

Participants

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 (111a: 88.2% yield).

Provenance & Evidence