Johansson L, Jørgensen K, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3418010 A1, 2024-11-24.
Nielsen H, Björnsson E, Martínez F. "Method for the Synthesis of (S)-3-(3,5-Difluorophenyl)piperazin-2-one" [P]. European Patent, EP 3748433 A1, 2024-01-09.
发明人冯建国,徐明华,刘建华. "A Process for Preparing High-Purity (S)-3-(3,5-Difluorophenyl)piperazin-2-one" [P]. 中国发明专利, 专利号 CN 108445636 B, 授权公告日 2023-03-07.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2012, 802, 6793-6799.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 121, (2), 1709-1722.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (S)-3-(3,5-Difluorophenyl)piperazin-2-one Using HRMS and NMR". Environ. Sci. Technol., 2020, 2153, 4267-4270.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2023, 1217, (8), 2305-2318.