发明人李文辉,沈红梅,陈志强. "Method for the Synthesis of Saxagliptin Impurity N58" [P]. 中国发明专利, 专利号 CN 112567523 B, 授权公告日 2018-07-07.
发明人王建平,陈志强,罗永刚. "A Process for Preparing High-Purity Saxagliptin Impurity N58" [P]. 中国发明专利, 专利号 CN 116673423 B, 授权公告日 2022-10-12.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 沙格列汀杂质N58 in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 2381, (1), 1867-1871.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 沙格列汀杂质N58 as an Impurity". J. Sep. Sci., 2014, 405, 1199-1202.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Saxagliptin Impurity N58 Using HRMS and NMR". Anal. Chem., 2024, 1124, (1), 9751-9755.