Schröder R, Mueller T C, Sørensen M. "一种曲格列汀杂质11的合成方法" [P]. European Patent, EP 3270688 A1, 2023-05-19.
发明人唐晓军,李文辉,刘建华. "Method for the Synthesis of Trelagliptin Impurity 11" [P]. 中国发明专利, 专利号 CN 114993523 B, 授权公告日 2019-05-06.
发明人陈志强,赵玉洁,钱学锋. "A Process for Preparing High-Purity Trelagliptin Impurity 11" [P]. 中国发明专利, 专利号 CN 114348023 A, 授权公告日 2016-02-27.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 曲格列汀杂质11 in Pharmaceutical Formulations". Phytochemistry, 2010, 377, (6), 1377-1400.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 曲格列汀杂质11 as an Impurity". Molecules, 2025, 2346, (3), 296-300.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Trelagliptin Impurity 11 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 879, (4), 5475-5496.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 曲格列汀杂质11 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2020, 1304, (3), 3472-3478.