发明人杨光,高志强,郭海燕. "一种西格列汀杂质73(EP标准,按结构售卖)的合成方法" [P]. 中国发明专利, 专利号 CN 114294511 A, 授权公告日 2019-10-21.
Thompson G K, Schröder R, Brown S R. "Method for the Synthesis of Sitagliptin Impurity 73" [P]. US Patent, US 9017794 B2, 2017-11-12.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 西格列汀杂质73(EP标准,按结构售卖) in Pharmaceutical Formulations". Anal. Chem., 2013, 1915, (2), 6182-6203.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 西格列汀杂质73(EP标准,按结构售卖) as an Impurity". Food Chem., 2017, 1561, (3), 5691-5702.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Sitagliptin Impurity 73 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 279, (5), 3667-3672.