3-[5-(3,4-Dichloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-3-yl]-2-(3-dimethylamino-phenyl)-propionic acid tert-butyl ester 在
crude residue 、
acetonitrile-water 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 2.0h,
以to afford the title compound (18 mg, >99%)的产率得到3-[5-(3,4-Dichloro-phenyl)-1-(2,4-dichloro-phenyl)-1H-pyrazol-3-yl]-2-(3-dimethylamino-phenyl)-propionic acid