Mueller T, Brown S R, Kumar R. "一种的合成方法" [P]. US Patent, US 10761938 B2, 2019-01-10.
发明人马晓峰,朱建伟,徐明华. "Method for the Synthesis of (2R,3S,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(5-bromo-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite" [P]. 中国发明专利, 专利号 CN 109684929 A, 授权公告日 2018-10-05.
Park J H, Yamamoto T, Fischer A B. "A Process for Preparing High-Purity (2R,3S,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(5-bromo-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite" [P]. US Patent, US 10809717 B2, 2021-12-17.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2011, 864, (7), 5391-5418.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 2120, (10), 5363-5389.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of (2R,3S,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(5-bromo-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite Using HRMS and NMR". J. Chromatogr. A, 2010, 1930, (12), 9831-9848.