发明人唐晓军,高志强,杨光. "一种1,2-双(4-乙基哌嗪-1-基)乙烷的合成方法" [P]. 中国发明专利, 专利号 CN 109688461 A, 授权公告日 2020-03-18.
Jørgensen K, Johansson L, Kowalski A. "Method for the Synthesis of 1,2-bis(4-ethylpiperazin-1-yl)ethane" [P]. European Patent, EP 3143812 A1, 2023-02-08.
Fischer A B, Park J H, Lee S K. "A Process for Preparing High-Purity 1,2-bis(4-ethylpiperazin-1-yl)ethane" [P]. US Patent, US 11476781 B2, 2024-08-08.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 1,2-双(4-乙基哌嗪-1-基)乙烷 in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2017, 578, (7), 1092-1115.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1,2-双(4-乙基哌嗪-1-基)乙烷 as an Impurity". Rapid Commun. Mass Spectrom., 2013, 2381, 8994-9012.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1,2-bis(4-ethylpiperazin-1-yl)ethane Using HRMS and NMR". Sci. Total Environ., 2020, 1073, 5583-5599.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 1,2-双(4-乙基哌嗪-1-基)乙烷 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 334, 1780-1807.