Sørensen M, Schröder R, Mueller T C. "一种替格列汀杂质N1的合成方法" [P]. European Patent, EP 3410752 A1, 2018-10-04.
发明人黄志刚,周伟,王建平. "Method for the Synthesis of Teneligliptin impurity N1" [P]. 中国发明专利, 专利号 CN 116575589 B, 授权公告日 2025-09-11.
发明人马晓峰,韩伟,唐晓军. "A Process for Preparing High-Purity Teneligliptin impurity N1" [P]. 中国发明专利, 专利号 CN 117779711 A, 授权公告日 2025-02-19.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 替格列汀杂质N1 in Pharmaceutical Formulations". Anal. Methods, 2020, 1425, 5020-5047.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 替格列汀杂质N1 as an Impurity". Phytochemistry, 2020, 345, (4), 3306-3311.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Teneligliptin impurity N1 Using HRMS and NMR". Biomed. Chromatogr., 2014, 477, (1), 4822-4834.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate 替格列汀杂质N1 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2019, 2029, (11), 2297-2321.