CN103965267A — 1-(β-D-吡喃葡糖基)-4-甲基-3-[5-(4-氟苯基)-2-噻吩基甲基]苯与L-苯丙氨酸共晶物及其制备方法
Assigned to Jiangsu Hansoh Pharmaceutical Group Co Ltd · Expires 2014-08-06 · 12y expired
What this patent protects
本发明公开了一种1-(β-D-吡喃葡糖基)-4-甲基-3-[5-(4-氟苯基)-2-噻吩基甲基]苯与L-苯丙氨酸共晶物及其制备方法。具体地,本发明公开式(I)所示钠-葡萄糖协同转运蛋白2(SGLT2)抑制剂1-(β-D-吡喃葡糖基)-4-甲基-3-[5-(4-氟苯基)-2-噻吩基甲基]苯与L-苯丙氨酸所形成的式(Ⅰa)所示共晶物及其制备方法,该共晶物的XRD特征峰如图1所示,其制备方法包括:混合L-苯丙氨酸的水溶液和化合物I的乙醇溶液,加热溶解,然后搅拌冷却析晶,过滤物经乙醇水溶液重结晶得到目标物。 (I) (Ⅰa)
USPTO Abstract
本发明公开了一种1-(β-D-吡喃葡糖基)-4-甲基-3-[5-(4-氟苯基)-2-噻吩基甲基]苯与L-苯丙氨酸共晶物及其制备方法。具体地,本发明公开式(I)所示钠-葡萄糖协同转运蛋白2(SGLT2)抑制剂1-(β-D-吡喃葡糖基)-4-甲基-3-[5-(4-氟苯基)-2-噻吩基甲基]苯与L-苯丙氨酸所形成的式(Ⅰa)所示共晶物及其制备方法,该共晶物的XRD特征峰如图1所示,其制备方法包括:混合L-苯丙氨酸的水溶液和化合物I的乙醇溶液,加热溶解,然后搅拌冷却析晶,过滤物经乙醇水溶液重结晶得到目标物。 (I) (Ⅰa)
Drugs covered by this patent
- Invokana (CANAGLIFLOZIN) · Johnson & Johnson
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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