发明人马晓峰,张德明,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113764362 A, 授权公告日 2025-06-02.
发明人王建平,李文辉,冯建国. "Method for the Synthesis of N-(2-Fluorophenyl)-2-(1-(2-hydroxyethyl)-4-oxo-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)acetamide" [P]. 中国发明专利, 专利号 CN 108309892 B, 授权公告日 2024-01-26.
发明人黄志刚,刘建华,徐明华. "A Process for Preparing High-Purity N-(2-Fluorophenyl)-2-(1-(2-hydroxyethyl)-4-oxo-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)acetamide" [P]. 中国发明专利, 专利号 CN 117553142 B, 授权公告日 2020-11-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2012, 1794, (6), 3256-3278.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2014, 1320, 9783-9807.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-Fluorophenyl)-2-(1-(2-hydroxyethyl)-4-oxo-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)acetamide Using HRMS and NMR". Phytochemistry, 2011, 326, (3), 2883-2905.