反应详情

温度

60 °C

The reaction mixture of 2-(2-aminopyridin-3-yl)-1-benzothiophene-5-carboxylic acid (54 mg, 0.2 mmol, 1 eq), 2-fluoro-5-methylaniline (0.048 mL, 2.1 eq), DMAP (5 mg, 0.2 eq), and EDCI (46.1 mg, 1.2 eq) in anhydrous 1,2-dichloroethane (2 mL) and anhydrous DMF (0.5 mL) was stirred and heated at 60° C. for 1 hour. It was then diluted with ethyl acetate, washed sequentially with aqueous NH4Cl, saturated aqueous NaHCO3, and brine, and finally dried with anhydrous sodium sulfate. The upper, clear solution-layer was decanted, concentrated, and the solid residue was subject to a gradient column chromatography (EtOAc-Hex 1:4 to 1:1) to yield 2-(2-aminopyridin-3-yl)-N-(2-fluoro-5-methylphenyl)-1-benzothiophene-5-carboxamide as a white solid in amount of 39.8 mg.

1. washwashed sequentially with aqueous NH4Cl, saturated aqueous NaHCO3, and brine
2. dry with materialfinally dried with anhydrous sodium sulfate
3. customThe upper, clear solution-layer was decanted
4. concentrationconcentrated