甲磺酸达比加群酯制剂工艺中溶剂的选择
发布时间:2018-09-13 21:32
【摘要】:采用水、乙醇、异丙醇、磷酸溶液、盐酸溶液等不同溶剂,测试甲磺酸达比加群酯(采用晶型Ⅰ)在25℃条件下的溶解度,并通过晶型的监测,选择合适的工艺溶剂。结果表明,氯离子、磷酸根离子可降低甲磺酸达比加群酯的溶解度;在水及乙醇饱和溶液中,5 min就明显转晶,但在异丙醇饱和溶液中2 h内没有明显转晶;表明异丙醇可优先考虑作为工艺溶剂使用,从而降低转晶的风险,为确保货架期内的产品质量提供保障。
[Abstract]:Water, ethanol, isopropanol, phosphoric acid solution and hydrochloric acid solution were used to test the solubility of dapi group ester (using crystal form I) at 25 鈩,
本文编号:2241803
[Abstract]:Water, ethanol, isopropanol, phosphoric acid solution and hydrochloric acid solution were used to test the solubility of dapi group ester (using crystal form I) at 25 鈩,
本文编号:2241803
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