Hughes D C, Davis P L, Brown S R. "一种6-ethyl-2-(pyridin-4-yl)-3,4-dihydropyrimidin-4-one的合成方法" [P]. US Patent, US 10940059 B2, 2022-12-11.
Sørensen M, Kowalski A, Nielsen H. "Method for the Synthesis of 6-ethyl-2-(pyridin-4-yl)-3,4-dihydropyrimidin-4-one" [P]. European Patent, EP 3199387 A1, 2022-02-12.
发明人胡光,冯建国,陈志强. "A Process for Preparing High-Purity 6-ethyl-2-(pyridin-4-yl)-3,4-dihydropyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 109469033 B, 授权公告日 2023-07-25.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 6-ethyl-2-(pyridin-4-yl)-3,4-dihydropyrimidin-4-one in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 841, 2245-2275.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-ethyl-2-(pyridin-4-yl)-3,4-dihydropyrimidin-4-one as an Impurity". Molecules, 2022, 1869, 9326-9349.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 6-ethyl-2-(pyridin-4-yl)-3,4-dihydropyrimidin-4-one Using HRMS and NMR". Environ. Sci. Technol., 2020, 1210, (3), 6151-6157.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 6-ethyl-2-(pyridin-4-yl)-3,4-dihydropyrimidin-4-one Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2024, 836, 8883-8912.