反应详情

To a solution of 6-aminopyrimidin-4(3H)-one (866 mg, 7.79 mmol) in DMSO (10.0 mL) at RT was added DBU (1.29 mL, 8.57 mmol) and after 30 min a solution of 1-fluoro-4-nitronaphthalene (1.57 g, 8.18 mmol) in DMSO (3.0 mL) was added over 2 min. The resulting mixture was maintained at RT for 2 hr and was diluted with MeOH (20 mL) and TFA (2.0 mL) was added. The solution was subjected to SCX capture and release and the crude product so obtained was purified by flash column chromatography (SiO2, 80 g, EtOAc in isohexane, 50-100%, gradient elution) to afford the title compound as a yellow solid (370 mg, 16.48%); Rt 3.82 min (Method 1 basic); m/z 283 (M+H)+ (ES+)

1. additionwas added
2. customthe crude product so obtained
3. customwas purified by flash column chromatography (SiO2, 80 g, EtOAc in isohexane, 50-100%, gradient elution)