发明人钱学锋,陈志强,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113586696 A, 授权公告日 2015-09-20.
发明人陈志强,王建平,马晓峰. "Method for the Synthesis of 4-Chloro-1-(pyrimidin-2-yl)-1h-pyrazolo[3,4-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 117754771 B, 授权公告日 2015-01-19.
Lefèvre J P, Nowak P, Rossi M. "A Process for Preparing High-Purity 4-Chloro-1-(pyrimidin-2-yl)-1h-pyrazolo[3,4-d]pyrimidine" [P]. European Patent, EP 3100322 A1, 2024-04-23.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2021, 2339, (9), 7760-7778.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2010, 1646, (11), 5142-5161.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-1-(pyrimidin-2-yl)-1h-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". Phytochemistry, 2016, 1549, (3), 3134-3147.