发明人胡光,高志强,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109711481 A, 授权公告日 2024-01-01.
发明人王建平,何建平,冯建国. "Method for the Synthesis of 4-(4-Aminopyrimidin-2-yl)piperazin-2-one" [P]. 中国发明专利, 专利号 CN 108129146 B, 授权公告日 2025-02-08.
发明人刘建华,赵玉洁,王建平. "A Process for Preparing High-Purity 4-(4-Aminopyrimidin-2-yl)piperazin-2-one" [P]. 中国发明专利, 专利号 CN 116519302 B, 授权公告日 2025-05-09.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2011, 306, (3), 2074-2095.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2018, 918, 4856-4871.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Aminopyrimidin-2-yl)piperazin-2-one Using HRMS and NMR". Anal. Methods, 2021, 627, 8405-8433.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2011, 2261, 1980-1999.