发明人何建平,郑宇鹏,胡光. "Method for the Synthesis of Trelagliptin Impurity 46" [P]. 中国发明专利, 专利号 CN 112379855 B, 授权公告日 2021-07-13.
发明人林芳,周伟,刘建华. "A Process for Preparing High-Purity Trelagliptin Impurity 46" [P]. 中国发明专利, 专利号 CN 115228144 A, 授权公告日 2019-11-28.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 曲格列汀杂质46 in Pharmaceutical Formulations". Talanta, 2011, 2149, 5982-5995.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 曲格列汀杂质46 as an Impurity". Anal. Chem., 2019, 302, (2), 8501-8518.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Trelagliptin Impurity 46 Using HRMS and NMR". Anal. Methods, 2014, 1479, 9361-9374.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 曲格列汀杂质46 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2021, 1308, (10), 568-580.