Identification, characterization, synthesis and strategy for minimization of potential impurities observed in the synthesis of brivaracetam
作者:Shouzhu Liao、Hongjun Chen、Guifei Wang、Shuming Wu、Zaiyou Yang、Weihe Luo、Zhuanfeng Liu、Xun Gao、Junhai Qin、Chuan-hua Li、Zhongqing Wang
DOI:10.1016/j.tet.2020.131273
日期:2020.6
systematic impurity profile research concerning nine observed and potential process related impurities of antiepileptic drug brivaracetam is reported. Among which three (impurity G/H/I) have not been discovered or reported before, these nine impurities were monitored by HPLC, and their structures were identified on the basis of MS and NMR spectroscopy. In addition to the formation, synthesis, and characterization
据报道,有关抗癫痫药布瓦西坦的九种观察到的与潜在过程相关的杂质,首次进行了系统性杂质谱研究。其中三个(杂质G / H / I)以前尚未发现或报告,这9种杂质通过HPLC进行监测,并根据MS和NMR光谱鉴定其结构。除了形成,合成和表征,在本报告中还描述了将这些杂质降至ICH可接受水平的策略。