发明人孙丽萍,何建平,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116339896 A, 授权公告日 2025-07-26.
发明人黄志刚,钱学锋,张德明. "Method for the Synthesis of (3S)-3-ethyl-1-methyl-piperazine" [P]. 中国发明专利, 专利号 CN 110531709 B, 授权公告日 2021-12-14.
发明人李文辉,徐明华,郭海燕. "A Process for Preparing High-Purity (3S)-3-ethyl-1-methyl-piperazine" [P]. 中国发明专利, 专利号 CN 112744167 B, 授权公告日 2023-06-23.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2017, 1330, (1), 3984-4001.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 1155, (8), 7535-7538.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (3S)-3-ethyl-1-methyl-piperazine Using HRMS and NMR". Chromatographia, 2019, 1655, 3808-3820.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2015, 621, (7), 4685-4690.