发明人高志强,韩伟,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116830101 A, 授权公告日 2015-07-15.
Jørgensen K, Sørensen M, Schröder R. "Method for the Synthesis of (2R,3R,4R,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-methoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) (S)-diisopropylphosphoramidite" [P]. European Patent, EP 3412616 A1, 2017-01-11.
发明人韩伟,郑宇鹏,罗永刚. "A Process for Preparing High-Purity (2R,3R,4R,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-methoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) (S)-diisopropylphosphoramidite" [P]. 中国发明专利, 专利号 CN 111610272 B, 授权公告日 2022-10-04.
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". Anal. Methods, 2017, 1350, (6), 8299-8318.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2010, 346, (9), 5345-5364.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (2R,3R,4R,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-methoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) (S)-diisopropylphosphoramidite Using HRMS and NMR". J. Sep. Sci., 2019, 2323, (12), 4339-4349.