发明人黄志刚,沈红梅,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112941669 A, 授权公告日 2023-12-24.
Björnsson E, Nowak P, Kowalski A. "Method for the Synthesis of 1-(3-Bromophenyl)-4-chloro-6-methyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. European Patent, EP 3075509 A1, 2017-01-18.
Anderson J P, Schröder R, Brown S R. "A Process for Preparing High-Purity 1-(3-Bromophenyl)-4-chloro-6-methyl-1H-pyrazolo[3,4-d]pyrimidine" [P]. US Patent, US 9706424 B2, 2022-07-28.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 2469, (8), 6537-6553.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2012, 561, (11), 9285-9311.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Bromophenyl)-4-chloro-6-methyl-1H-pyrazolo[3,4-d]pyrimidine Using HRMS and NMR". Anal. Methods, 2010, 1339, (4), 505-528.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 902, (12), 4138-4166.