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