公开(公告)号：WO2018208181A1

公开(公告)日：2018-11-15

申请号：PCT/PL2018/050020

申请日：2018-05-12

申请人： UNIWERSYTET JAGIELLOŃSKI

发明人： GRYL, Marlena ,  SEIDLER, Tomasz ,  WOJNARSKA, Joanna

IPC分类号： G02F1/361 ,  C30B29/54 ,  C30B7/04 ,  C07D239/62 ,  C07D213/73 ,  C07D213/61

CPC分类号： C07D213/73 ,  C07D239/64 ,  C30B7/04 ,  C30B29/58 ,  G02F1/3612

摘要： The invention relates to 2-amino-5-nitropyridine and barbital co-crystals with an X-ray pattern exhibiting the presence of characteristic interplanar distances amounting to: d hkl 2.966 x , 3.582 3 , 2.997 2 , 2.930 2 , 3.077 2 , 5.265 2 , 5.760 1 , 4.046 1 for the form (I), and d hkl 3.165 x , 3.050 6 , 3.117 3 , 5.117 2 , 3.274 2 , 4.819 2 , 2.767 2 , 3.461 2 for the form (II). Also, the invention relates to a method for production of 2-amino-5-nitropyridine and barbital co-crystals.