发明人徐明华,陈志强,马晓峰. "一种西格列汀杂质36的合成方法" [P]. 中国发明专利, 专利号 CN 113185234 A, 授权公告日 2015-02-01.
发明人高志强,钱学锋,陈志强. "Method for the Synthesis of Sitagliptin Impurity 36" [P]. 中国发明专利, 专利号 CN 114583169 A, 授权公告日 2016-01-02.
发明人马晓峰,周伟,李文辉. "A Process for Preparing High-Purity Sitagliptin Impurity 36" [P]. 中国发明专利, 专利号 CN 109717022 B, 授权公告日 2024-06-05.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 西格列汀杂质36 in Pharmaceutical Formulations". Chemosphere, 2025, 633, (7), 7767-7786.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 西格列汀杂质36 as an Impurity". Biomed. Chromatogr., 2017, 856, (1), 2519-2528.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Sitagliptin Impurity 36 Using HRMS and NMR". Environ. Sci. Technol., 2014, 667, (11), 1365-1375.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate 西格列汀杂质36 Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2014, 1426, 9500-9520.