(R)-N-(3-acetamido-2-chloro-4-{4-fluorophenylsulphonyl}phenyl)-2-hydroxy-2-methyl-3,3,3-trifluoropropanamide 、
C.I.酸性橙108 在
氩 、
甲醇 、
methanol-dichloromethane 作用下,
以
乙腈 为溶剂,
反应 24.0h,
以to give the title compound (247 mg) as a brown solid的产率得到(R)-N-{3-Acetamido-2-chloro-4-[4-(2-hydroxyethylamino)phenylsulphonyl]phenyl}-2-hydroxy-2-methyl-3,3,3-trifluoropropanamide