发明人陈志强,唐晓军,刘建华. "Method for the Synthesis of (2S,3S,4S,5S)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)-5-(2-isobutyramido-6-oxo-3,6-dihydro-9H-purin-9-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite" [P]. 中国发明专利, 专利号 CN 110533807 A, 授权公告日 2020-11-12.
发明人何建平,郑宇鹏,郭海燕. "A Process for Preparing High-Purity (2S,3S,4S,5S)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)-5-(2-isobutyramido-6-oxo-3,6-dihydro-9H-purin-9-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite" [P]. 中国发明专利, 专利号 CN 113909672 B, 授权公告日 2024-12-19.
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. Chim. Acta, 2020, 395, (5), 7228-7232.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2011, 1051, (6), 3505-3518.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (2S,3S,4S,5S)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-((tert-butyldimethylsilyl)oxy)-5-(2-isobutyramido-6-oxo-3,6-dihydro-9H-purin-9-yl)tetrahydrofuran-3-yl (2-cyanoethyl) diisopropylphosphoramidite Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2018, 1870, 9956-9963.