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对在国内上市的硫酸氢氯吡格雷晶型特征的考察 被引量:1

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摘要 目的建立硫酸氢氯吡格雷晶型的测定方法,并评价已在中国上市的硫酸氢氯吡格雷的晶型结构特征。方法采用傅立叶红外光谱(FTIR)、差示扫描量热分析(DSC)、热重分析(TGA)、X-射线衍射(XRD)对硫酸氯吡格雷的晶型进行了测定与分析。观察在中国3个厂家生产上市的硫酸氢氯吡格雷的晶型结构。结果目前上市的硫酸氢氯吡格雷主要为晶型Ⅰ与晶型Ⅱ。晶型Ⅰ与晶型Ⅱ起始熔点、最高吸收温度、熔化热、MIR光谱、NIR光谱、衍射角和衍射图谱具有较大的差异。来源于赛诺菲制药及乐普药业的硫酸氢氯吡格雷与晶型Ⅱ特征相似,可判定为晶型Ⅱ来源于深圳信立泰的硫酸氢氯吡格雷与晶型Ⅰ特征相似,可判定为晶型Ⅰ,初步实验结果显示晶型Ⅱ的热稳定性优于晶型Ⅰ。结论乐普药业与杭州赛诺菲生产的氯吡格雷均为晶型Ⅱ,热稳定性良好。深圳信立泰药业生产的氯吡格雷为晶型Ⅰ,热稳定性稍差。
出处 《海峡药学》 2015年第5期65-68,共4页 Strait Pharmaceutical Journal
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