Potassium Carbonate → HCID 58790312, compound

Participants

Reaction Conditions

Reaction Steps

In a sealed flask, a stirred mixture of CuI (37 mg, ˜0.2 mmol) and potassium carbonate (2.70 g, 19.5 mmol) was degassed for 15 min. N,N-dimethylethylenediamine (146 μL, ˜1.0 mmol), 3-iodopyridine (2.00 g, 9.8 mmol), 2-pyrrolidinone (˜1 g, 11.7 mmol) and 1,4-dioxane (10 mL) were added, respectively (A. Klapars, J. C. Antilla, X. Huang S. L. Buchwald J. Am. Chem. Soc. 2001, 123. 7727-7729). The flow of nitrogen was removed, and the reaction mixture was then heated at 125° C. for 18 h. After cooling to room temperature the reaction mixture was filtered, rinsed with ethyl acetate, and concentrated. The crude product was purified by flash column chromatography (eluents MeOH/CH2Cl2: 2/98 to 5/95) to afford title compound 349 (1.49 g, 94% yield) as a yellow oily liquid. MS (m/z): 163.1 (M+H)+.

Provenance & Evidence