The present invention describes an amorphous form of trisodium salt of valsartan sacubitril complex and a process for the preparation of same comprising: reacting sacubitril sodium and valsartan disodium or sacubitril and valsartan in the presence of a sodium ion source in one or more solvents to obtain a solution; and obtaining the trisodium salt of valsartan sacubitril complex by the removal of the solvent from the solution or by adding an anti-solvent to the solution. The crystalline form of sacubitril sodium is characterized by x-ray powder diffraction pattern having characteristic peaks expressed in terms of 2-theta at about 6.3°, 12.0°, 13.8°, 16.5°, 18.3°, 20.0° and 23.8°±0.2° (2θ).
本发明描述了
缬沙坦沙库比曲三钠盐的非晶形态以及制备该非晶形态的方法,包括:在一个或多个溶剂中,在存在
钠离子源的情况下,将
沙库比曲钠和
缬沙坦二
钠或沙库比曲和
缬沙坦反应,以获得溶液;通过从溶液中去除溶剂或向溶液中加入抗溶剂来获得
缬沙坦沙库比曲三钠盐。
沙库比曲钠的晶体形态的特征是具有特征峰的X射线粉末衍射图谱,以2θ约为6.3°、12.0°、13.8°、16.5°、18.3°、20.0°和23.8°±0.2°(2θ)表示。