There is provided a process for preparation of celecoxib by reacting 4,4,4-trifluoro-1-[4-(methyl)phenyl]butane-1,3-dione with 4-sulphonamidophenylhydrazine or its salt in a solvent medium that contains an alkyl ester. There is also provided a process for the purification of celecoxib using aromatic hydrocarbon solvents.
提供了一种通过将4,4,4-三
氟-1-[4-(甲基)苯基]
丁酮与4-
磺胺基苯
肼或其盐在含有烷基酯的溶剂介质中反应来制备司来考昔的方法。还提供了一种使用
芳香烃溶剂纯化司来考昔的方法。