反应详情

Add methylamine hydrochloride (0.57 g, 8.4 mmol) and triethylamine (2.17 mL, 15.5 mmol) to a solution of 2-fluoro-5-iodobenzoyl chloride (2.0 g, 7.0 mmol) in dichloromethane (100 mL) at 0° C. Warm to room temperature and stir 20 h. Concentrate and purify by silica gel chromatography, eluting with a gradient of 75:25 to 60:40 hexanes:ethyl acetate, to give the title compound as a white solid (1.7 g, 87%).

1. concentrationConcentrate
2. custompurify by silica gel chromatography
3. washeluting with a gradient of 75:25 to 60:40 hexanes