The present invention relates to process of preparation of 2-(3-cyano-4- isobutyloxyphenyl)-4-methyl-5-thiazole carboxylic acid (Febuxostat). The present invention in particular relates to an efficient and easily to operate scalable process of manufacturing of 2-(3-cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazole carboxylic acid (Febuxostat) of Formula I and its crystalline polymorphic Form C.
本发明涉及制备2-(3-
氰基-4-异
丁氧基苯基)-4-甲基-5-
噻唑羧酸(
非布索坦)的方法。具体而言,本发明涉及一种高效且易于操作的可扩展生产2-(3-
氰基-4-异
丁氧基苯基)-4-甲基-5-
噻唑羧酸(
非布索坦)的方法,其
化学式为I,以及其结晶多型体C。