Nielsen H, Johansson L, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3572619 A1, 2024-04-13.
发明人冯建国,林芳,胡光. "Method for the Synthesis of 3,5-Diethyl 6-[4-(4-methoxyphenyl)piperazin-1-yl]-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113453227 A, 授权公告日 2022-06-10.
Kowalski A, Lefèvre J P, Jørgensen K. "A Process for Preparing High-Purity 3,5-Diethyl 6-[4-(4-methoxyphenyl)piperazin-1-yl]-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate" [P]. European Patent, EP 3626870 A1, 2025-07-05.
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, 1716, (11), 7875-7905.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2011, 1757, 5971-5994.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Diethyl 6-[4-(4-methoxyphenyl)piperazin-1-yl]-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate Using HRMS and NMR". J. Nat. Prod., 2020, 1641, (1), 1781-1806.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 1050, (9), 8857-8860.