发明人张德明,李文辉,何建平. "Method for the Synthesis of Brexpiprazole Impurity 52" [P]. 中国发明专利, 专利号 CN 110542760 B, 授权公告日 2015-11-08.
发明人杨光,马晓峰,胡光. "A Process for Preparing High-Purity Brexpiprazole Impurity 52" [P]. 中国发明专利, 专利号 CN 111485513 A, 授权公告日 2022-04-10.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 依匹唑派杂质52 in Pharmaceutical Formulations". Molecules, 2015, 762, 6385-6395.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 依匹唑派杂质52 as an Impurity". Talanta, 2015, 884, (12), 7486-7490.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Brexpiprazole Impurity 52 Using HRMS and NMR". Biomed. Chromatogr., 2018, 1108, 9958-9987.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 依匹唑派杂质52 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2022, 2309, (12), 8757-8763.