Anderson J P, Thompson G K, Williams B T. "一种沙格列汀杂质51的合成方法" [P]. US Patent, US 9015806 B2, 2023-06-24.
发明人郑宇鹏,李文辉,马晓峰. "Method for the Synthesis of Saxagliptin Impurity 51" [P]. 中国发明专利, 专利号 CN 109558544 A, 授权公告日 2020-05-08.
Klinger H, Stevens L M, Hughes D C. "A Process for Preparing High-Purity Saxagliptin Impurity 51" [P]. US Patent, US 9200622 B2, 2023-09-24.
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51 in Pharmaceutical Formulations". Anal. Chem., 2015, 274, (9), 2745-2765.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 沙格列汀杂质51 as an Impurity". J. Nat. Prod., 2011, 1625, (5), 1759-1774.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Saxagliptin Impurity 51 Using HRMS and NMR". Biomed. Chromatogr., 2012, 2422, 3660-3667.