A method of preparing the potassium salt of azilsartan medoxomil of formula I, in which a solvate of azilsartan medoxomil of formula II with a solvent selected from the group that consists of dimethyl acetamide or N-methyl pyrrolidone or their mixtures with other solvents is prepared, or re-crystallized from dimethyl acetamide or N-methyl pyrrolidine or their mixtures with other solvents, and, in the next step, converted to the potassium salt using a potassium source in a suitable solvent.
一种制备式I的艾普利沙坦酯
钾盐的方法,其中利用从二甲基乙酰胺或
N-甲基吡咯烷酮或它们与其他溶剂的混合物中选择的溶剂制备式II的艾普利沙坦酯的溶剂化合物,或者从二甲基乙酰胺或
N-甲基吡咯烷酮或它们与其他溶剂的混合物中重新结晶,然后在下一步中,使用适当溶剂中的
钾源将其转化为
钾盐。