Yamamoto T, Fischer A B, Schröder R. "一种的合成方法" [P]. US Patent, US 11959411 B2, 2023-09-01.
Yamamoto T, Chen K W, Williams B T. "Method for the Synthesis of 2-(2,4-Difluorophenyl)piperazine" [P]. US Patent, US 11496807 B2, 2016-03-18.
发明人李文辉,张德明,罗永刚. "A Process for Preparing High-Purity 2-(2,4-Difluorophenyl)piperazine" [P]. 中国发明专利, 专利号 CN 115705042 B, 授权公告日 2019-12-16.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2016, 1262, (7), 2744-2748.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2012, 198, (11), 7272-7275.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2,4-Difluorophenyl)piperazine Using HRMS and NMR". Phytochemistry, 2020, 1004, 5400-5419.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2023, 337, (3), 7472-7483.