Disclosed are novel novel polymorphic solvated and desolvated forms of the sodium salt of 4-tert-butyl-N-[chloro-2-(1-oxy-pyridine-4-carbonyl-phenyl]-benzenesulfonamide. One embodiment of the present invention is directed to a crystalline sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)-phenyl]benzenesulfonamide (hereinafter “Compound A-1,4-dioxane/water solvate”), wherein the crystalline form is characterized by an X-ray powder diffraction pattern comprising diffraction angles (° 28), when measured using Cu Ku radiation, at about 4.0, 8.1, 10.1, 14.2, 16.2, 18.6, 20.3, 24.7, 25.0, and 26.5.
本发明涉及4-叔丁基-N-[
氯-2-(1-氧基-
吡啶-4-羰基)-苯基]-苯磺酰胺的钠盐的新颖多态溶解和脱溶解形式。本发明的一个实施例是针对4-叔丁基-N-[4-
氯-2-(1-氧基-
吡啶-4-羰基)-苯基]苯磺酰胺的结晶钠盐(下称“化合物A-
1,4-二噁烷/
水溶剂”),其中晶体形态的X射线粉末衍射图谱包括衍射角(°28),当使用CuKu辐射测量时,约为4.0、8.1、10.1、14.2、16.2、18.6、20.3、24.7、25.0和26.5。