- 专利标题： ACETYLSALICYLIC ACID DERIVATIVE CRYSTAL, ITS PREPARATION METHOD AND USE
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申请号： US15562222申请日： 2016-03-07
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公开(公告)号： US20180305296A1公开(公告)日： 2018-10-25
- 发明人: Jing Zhang
- 申请人： Zhejiang Yuejia Pharmaceuticals Co., Ltd
- 优先权： CN201510151946.2 20150401
- 国际申请： PCT/CN2016/075753 WO 20160307
- 主分类号： C07C219/14
- IPC分类号： C07C219/14 ; C07C213/06
摘要：
Disclosed are an acetylsalicylic acid derivative, i.e. a 2-(diethylamino)ethyl 2-acetoxy-benzoate hydrochloride crystal, and a preparation method and use thereof. The X-ray powder diffraction (XRPD) pattern of the crystal has characteristic peaks at the following 2θ angle: 11.0°±0.2°, 20.6°±0.2°, 25.1°±0.2°, 8.2°±0.2°, 16.5°±0.2°, 13.4°±0.2°, 25.4°±0.2°.
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