发明名称 |
Crystal form of prostaglandin analogue, and preparation method and use thereof |
摘要 |
Provided are a crystal form B of a compound having the structure as represented by formula I, and preparation method and use thereof. The X-ray powder diffraction (XRPD) chart of the crystal form B has characteristic peaks at the following diffraction angles: 2.9±0.2°, 6.5±0.2°, 12.6±0.2°, 13.1±0.2° and 20.6±0.2°.; |
申请公布号 |
US9278902(B2) |
申请公布日期 |
2016.03.08 |
申请号 |
US201314371400 |
申请日期 |
2013.01.10 |
申请人 |
Shanghai Techwell Biopharmaceutical Co., Ltd. |
发明人 |
Tang Zhijun;Liu Yubin;He Bingming;Yang Jun;Ji Xiaoming |
分类号 |
C07C59/72;C07C59/66 |
主分类号 |
C07C59/72 |
代理机构 |
Kilpatrick Townsend & Stockton LLP |
代理人 |
Kilpatrick Townsend & Stockton LLP |
主权项 |
1. Crystalline form B of a compound, wherein the compound has the structure of formula I, and said crystalline form B has characteristic peaks at the following 2θ angles in the X-ray Powder diffraction (XRPD) pattern: 2.9±0.2°, 6.5±0.2°, 12.6±0.2°, 13.1±0.2° and 20.6±0.2°; |
地址 |
Shanghai CN |