Björnsson E, Johansson L, Rossi M. "一种的合成方法" [P]. European Patent, EP 3864041 A1, 2024-12-28.
Roberts E F, Hughes D C, Yamamoto T. "Method for the Synthesis of ((2R,3S,5R)-3-Acetoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl Acetate" [P]. US Patent, US 10461296 B2, 2018-12-17.
发明人李文辉,杨光,张德明. "A Process for Preparing High-Purity ((2R,3S,5R)-3-Acetoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl Acetate" [P]. 中国发明专利, 专利号 CN 112392685 B, 授权公告日 2025-02-03.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2016, 2408, (12), 2188-2214.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2018, 1013, 522-539.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of ((2R,3S,5R)-3-Acetoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl Acetate Using HRMS and NMR". J. Chromatogr. A, 2011, 403, (2), 7463-7483.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2019, 1363, 9084-9090.