Disclosed is a process for the preparation of Ethyl 4-methyl-2-(4-(2-methylpropyloxy)-3-cyanophenyl)-5-thiazolecarboxylate (I) the key intermediate for the preparation of [2-[3-cyano-4-(2-Methyl-propoxy)phenyl]-4-methyl-5-thiazole carboxylic acid (Febuxostat, I(A)) is approved under the trademark Uloric ® by the US Food and Drug Administration for the treatment of hyperuricemia and gouty arthritis.
本发明公开了一种制备乙酰4-甲基-2-(4-(2-甲基丙氧基)-3-
氰基苯基)-5-
噻唑羧酸乙酯(I)的方法,该化合物是制备[2-[3-
氰基-4-(2-甲基丙氧基)苯基]-4-甲基-5-
噻唑羧酸(
非布司他,I(A))的关键中间体,该药物已被美国食品和药物管理局批准用于治疗高
尿酸血症和痛风性关节炎,商标为Uloric®。