NOVEL CRYSTAL OF N- 3-(FORMYLAMINO)-4-OXO-6-PHENOXY-4H-CROME NE-7-YL METHANESULFONAMIDE
申请人:TOYAMA CHEMICAL CO., LTD.
公开号:EP1604986A1
公开(公告)日:2005-12-14
The crystal of N-[3-(formylamino)-4-oxo-6-phenoxy-4H-chromen-7-yl]methanesulfonamide having peaks at the positions of 6.00±0.05°, 10.54±0.05°, 17.42±0.08°, 18.39±0.08°, 20.13±0.10° and 23.01±0.10° on 2θ of diffraction angle in powder X-ray diffraction pattern of present invention is low hygroscopic, stable under a high humidity condition, and is useful as a drug substance of excellent anti-inflammatory agent.
N-[3-(甲酰氨基)-4-氧代-6-苯氧基-4H-苯并吡喃-7-基]甲磺酰胺晶体在本发明粉末X射线衍射图谱衍射角2θ上的峰位分别为6.00±0.05°、10.54±0.05°、17.42±0.08°、18.39±0.08°、20.13±0.10°和23.01±0.本发明的粉末 X 射线衍射图谱中衍射角 2θ 上的 10°,吸湿性低,在高湿度条件下稳定,可作为抗炎效果极佳的药物物质。