申请人:Cadila Healthcare Limited
公开号:US09603846B2
公开(公告)日:2017-03-28
A crystalline Form N-1 of apixaban substantially free from one or more of: 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid; 7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-1-phenyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide; or methyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate, relative to apixaban by area percentage of HPLC and having a mean particle size equal to or greater than 100 μm.
阿匹沙班的结晶形式N-1,在高效液相色谱法的面积百分比方面,相对于阿匹沙班,基本上不含以下一种或多种物质:1-(4-甲氧基苯基)-7-氧代-6-(4-(2-氧代哌啶-1-基)苯基)-4,5,6,7-四氢-1H-吡唑并[3,4-c]吡啶-3-羧酸;7-氧代-6-(4-(2-氧代哌啶-1-基)苯基)-1-苯基-4,5,6,7-四氢-1H-吡唑并[3,4-c]吡啶-3-羧酰胺;或者甲基1-(4-甲氧基苯基)-7-氧代-6-(4-(2-氧代哌啶-1-基)苯基)-4,5,6,7-四氢-1H-吡唑并[3,4-c]吡啶-3-羧酸甲酯,并且具有平均粒径等于或大于100微米。