发明人郑宇鹏,周伟,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111308376 A, 授权公告日 2024-02-06.
Lefèvre J P, Nielsen H, Björnsson E. "Method for the Synthesis of 1-((2R,3R,4R,5R)-3,4-Dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione" [P]. European Patent, EP 3634752 A1, 2017-07-03.
发明人李文辉,高志强,罗永刚. "A Process for Preparing High-Purity 1-((2R,3R,4R,5R)-3,4-Dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione" [P]. 中国发明专利, 专利号 CN 113688116 B, 授权公告日 2025-11-09.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2022, 1571, 9734-9753.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2012, 1038, (11), 909-918.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1-((2R,3R,4R,5R)-3,4-Dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione Using HRMS and NMR". Phytochemistry, 2018, 2455, (1), 256-274.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2012, 1834, (11), 8495-8523.