Davis P L, Fischer A B, Schröder R. "一种的合成方法" [P]. US Patent, US 11273604 B2, 2017-11-27.
发明人郑宇鹏,赵玉洁,杨光. "Method for the Synthesis of (2R,3R,4R,5R)-5-(2-Amino-9H-purin-9-yl)-4-fluoro-2-(hydroxymethyl)tetrahydrofuran-3-ol" [P]. 中国发明专利, 专利号 CN 109438454 B, 授权公告日 2025-04-09.
发明人徐明华,孙丽萍,赵玉洁. "A Process for Preparing High-Purity (2R,3R,4R,5R)-5-(2-Amino-9H-purin-9-yl)-4-fluoro-2-(hydroxymethyl)tetrahydrofuran-3-ol" [P]. 中国发明专利, 专利号 CN 111031362 B, 授权公告日 2024-12-23.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2022, 1130, (4), 7430-7452.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2017, 306, (1), 8811-8832.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (2R,3R,4R,5R)-5-(2-Amino-9H-purin-9-yl)-4-fluoro-2-(hydroxymethyl)tetrahydrofuran-3-ol Using HRMS and NMR". J. Chromatogr. A, 2024, 117, 134-144.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 2035, (5), 8498-8518.