发明人杨光,张德明,罗永刚. "Method for the Synthesis of Alogliptin Impurity 50" [P]. 中国发明专利, 专利号 CN 108059405 A, 授权公告日 2021-05-21.
发明人冯建国,何建平,孙丽萍. "A Process for Preparing High-Purity Alogliptin Impurity 50" [P]. 中国发明专利, 专利号 CN 108452337 B, 授权公告日 2021-05-21.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 阿格列汀杂质50 in Pharmaceutical Formulations". Chromatographia, 2010, 1376, (1), 9102-9121.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿格列汀杂质50 as an Impurity". Anal. Chim. Acta, 2017, 406, 4688-4717.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Alogliptin Impurity 50 Using HRMS and NMR". J. Nat. Prod., 2023, 169, 2597-2605.