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    • 5. 发明授权
    • Polymorphic form of fluoro-7-(2,2,2-trifluoroethoxy) phenoxathiin-10,10-dioxide
    • 氟-7-(2,2,2-三氟乙氧基)苯氧硫蛋白-10,10-二氧化物的多晶型
    • US07812050B2
    • 2010-10-12
    • US11773892
    • 2007-07-05
    • Elisabeth C. A. BrotDaniel K. Keefe, Jr.Brian P. HaneyNigel MetcalfeGrant J. PalmerPaul K. Isbester
    • Elisabeth C. A. BrotDaniel K. Keefe, Jr.Brian P. HaneyNigel MetcalfeGrant J. PalmerPaul K. Isbester
    • A61K31/39C07D327/08
    • C07D327/08
    • Provided herein is a new form of 3-fluoro-7-(2,2,2-trifluoroethoxy)phenoxathin 10,10-dioxide, which demonstrates higher stability relative to other forms of 3-fluoro-7-(2,2,2-trifluoroethoxy)phenoxathiin-10,10-dioxide. In particular, this new form affords less dosage critical administration of 3-fluoro-7-(2,2,2-trifluoroethoxy)phenoxathin 10,10-dioxide relative to other forms. The new solid form of 3-fluoro-7-(2,2,2-trifluoroethoxy)phenoxathiin-10,10-dioxide has been determined and is provided herein. This new solid form of 3-fluoro-7-(2,2,2-trifluoroethoxy)phenoxathiin-10,10-dioxide can be characterized by any of a number of its properties, including, but not limited to, melting point, differential scanning calorimetry, infrared spectroscopic spectrum or portions thereof, solubility, methods and conditions under which this form is prepared, and/or precipitated from solution, and, when in crystalline form, the crystalline form can be characterized according to the diffraction pattern or portions thereof.
    • 本文提供了一种新形式的3-氟-7-(2,2,2-三氟乙氧基)吩恶嗪素10,10-二氧化物,其相对于其它形式的3-氟-7-(2,2,2' - 三氟乙氧基)苯氧硫蛋白-10,10-二氧化物。 特别地,相对于其它形式,这种新形式对3-氟-7-(2,2,2-三氟乙氧基)吩恶嗪素10,10-二氧化物的剂量临界施用较少。 已经确定了新的固体形式的3-氟-7-(2,2,2-三氟乙氧基)苯氧硫杂质-10,10-二氧化物,并在此提供。 这种新的固体形式的3-氟-7-(2,2,2-三氟乙氧基)苯氧硫杂-10,10-二氧化物可用其许多特性来表征,包括但不限于熔点差 扫描量热法,红外光谱或其部分,溶解度,制备这种形式的方法和条件和/或从溶液中沉淀出来,并且当以结晶形式时,可以根据衍射图案或其部分来表征结晶形式 。