Nowak P, Schröder R, Martínez F. "Method for the Synthesis of Sitagliptin Impurity 39" [P]. European Patent, EP 3054364 A1, 2017-03-02.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 西格列汀杂质39 in Pharmaceutical Formulations". Talanta, 2024, 152, 9692-9705.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 西格列汀杂质39 as an Impurity". Chromatographia, 2019, 856, (8), 2673-2677.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Sitagliptin Impurity 39 Using HRMS and NMR". Food Chem., 2013, 500, 7536-7563.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 西格列汀杂质39 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2012, 1516, (12), 1468-1487.