发明名称 Crystal forms of saxagliptin
摘要 The present invention relates to novel polymorphic forms of Saxagliptin Hydrochloride. The present invention also relates to methods of making polymorphic forms of Saxagliptin Hydrochloride.
申请公布号 US9260389(B2) 申请公布日期 2016.02.16
申请号 US201314044204 申请日期 2013.10.02
申请人 SANDOZ AG 发明人 Pichler Arthur;Wieser Josef;Langes Christoph;Vukicevic Milica
分类号 C07D209/52;A61K31/403;A61K45/06 主分类号 C07D209/52
代理机构 Manelli Selter PLLC 代理人 Melcher Jeffrey S.;Manelli Selter PLLC
主权项 1. Crystalline Form I-S of Saxagliptin hydrochloride having a water content of not more than 1.5% w/w and a x-ray powder diffraction pattern comprising peaks at 6.7±0.2, 14.6±0.2, 15.2±0.2, 16.6±0.2 and 17.9±0.2 degrees two-theta and/or having an infrared spectrum comprising peaks at wavenumbers of 2907, 2853, 1637, 1589, 1462, 1391, 1318, 1045, 1014 and 775+/−2 cm-1, wherein the crystalline form is greater than 95% by weight.
地址 Basel CH