Kumar R, Brown S R, Williams B T. "一种的合成方法" [P]. US Patent, US 9463339 B2, 2025-09-26.
发明人罗永刚,高志强,郭海燕. "Method for the Synthesis of (2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-((isobutyl(methyl)amino)methyl)tetrahydrofuran-3,4-diol" [P]. 中国发明专利, 专利号 CN 115693573 B, 授权公告日 2015-10-04.
发明人林芳,孙丽萍,周伟. "A Process for Preparing High-Purity (2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-((isobutyl(methyl)amino)methyl)tetrahydrofuran-3,4-diol" [P]. 中国发明专利, 专利号 CN 117170979 A, 授权公告日 2021-07-05.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2012, 1343, (2), 7087-7115.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2020, 678, (9), 7105-7119.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-((isobutyl(methyl)amino)methyl)tetrahydrofuran-3,4-diol Using HRMS and NMR". Biomed. Chromatogr., 2019, 1427, (8), 6524-6540.