Polymorphic forms of the sodium salt of 4-;-butyl-;-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)-phenyl]-benzenesulfonamide
First Claim
1. A crystalline form of a sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)phenyl]-benzenesulfonamide, wherein the crystalline form is characterized by an X-ray powder diffraction pattern comprising diffraction angles, when measured using Cu Kα
- radiation, at about 4.5, 9.0, 13.6, 13.9, 15.8, 19.9, 20.4, and 28.0 °
2θ
.
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Abstract
Disclosed are novel polymorphic trihydrated forms of the sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)-phenyl]benzenesulfonamide. One embodiment of the present invention is directed to a crystalline form of the sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)-25 phenyl]-benzenesulfonamide (hereinafter “Compound A crystalline trihydrate form I”), wherein the crystalline form is characterized by an X-ray powder diffraction pattern comprising diffraction angles (°28), when measured using Cu Ka radiation, at about 4.5, 9.0, 13.6, 13.9, 15.8, 17.8, 18.2, 18.5, 19.1, 19.9, 20A, 21.2, 22.1, 22.7, 24.3, 25.0, 25.6, 26.2, 26.8, 27.3, 27.6, 28.0, 28.8, and 30.8.
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Citations
7 Claims
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1. A crystalline form of a sodium salt of 4-tert-butyl-N-[4-chloro-2-(1-oxy-pyridine-4-carbonyl)phenyl]-benzenesulfonamide, wherein the crystalline form is characterized by an X-ray powder diffraction pattern comprising diffraction angles, when measured using Cu Kα
- radiation, at about 4.5, 9.0, 13.6, 13.9, 15.8, 19.9, 20.4, and 28.0 °
2θ
. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- radiation, at about 4.5, 9.0, 13.6, 13.9, 15.8, 19.9, 20.4, and 28.0 °
Specification