发明人胡光,沈红梅,陈志强. "一种曲格列汀杂质5的合成方法" [P]. 中国发明专利, 专利号 CN 117347640 A, 授权公告日 2015-11-13.
发明人林芳,罗永刚,郭海燕. "Method for the Synthesis of Trelagliptin Impurity 5" [P]. 中国发明专利, 专利号 CN 117131204 B, 授权公告日 2017-01-18.
发明人郑宇鹏,陈志强,孙丽萍. "A Process for Preparing High-Purity Trelagliptin Impurity 5" [P]. 中国发明专利, 专利号 CN 113498926 B, 授权公告日 2020-05-24.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 曲格列汀杂质5 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 2073, 3477-3483.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 曲格列汀杂质5 as an Impurity". Chromatographia, 2018, 1603, 8906-8923.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Trelagliptin Impurity 5 Using HRMS and NMR". Biomed. Chromatogr., 2013, 1903, 5712-5722.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 曲格列汀杂质5 Profile in Drug Substances According to ICH Guidelines". Molecules, 2023, 1541, 6972-6994.