发明人胡光,韩伟,郑宇鹏. "一种西格列汀杂质38的合成方法" [P]. 中国发明专利, 专利号 CN 112762832 A, 授权公告日 2017-02-14.
发明人韩伟,郭海燕,唐晓军. "Method for the Synthesis of Sitagliptin Impurity 38" [P]. 中国发明专利, 专利号 CN 117816973 A, 授权公告日 2017-01-24.
发明人刘建华,钱学锋,胡光. "A Process for Preparing High-Purity Sitagliptin Impurity 38" [P]. 中国发明专利, 专利号 CN 117202649 A, 授权公告日 2018-08-22.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 西格列汀杂质38 in Pharmaceutical Formulations". Phytochemistry, 2022, 1328, 9999-10015.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 西格列汀杂质38 as an Impurity". Anal. Chim. Acta, 2011, 2298, (5), 4091-4106.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Sitagliptin Impurity 38 Using HRMS and NMR". Molecules, 2024, 2180, (2), 3159-3176.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 西格列汀杂质38 Profile in Drug Substances According to ICH Guidelines". Talanta, 2017, 1747, (8), 2495-2520.