反应详情

Method 3,4—Step b A solution of N-(2-Amino-5-fluoro-phenyl)-5-bromo-2-chloro-benzamide (6.90 g, 20.12 mmol) in acetic acid (40 mL) was stirred at 80° C. overnight, solvent was then removed under reduced pressure and the crude purified by precipitation from diethylether to obtain 6.00 g of the title compound (92%).

1. customsolvent was then removed under reduced pressure
2. customthe crude purified by precipitation from diethylether