发明人林芳,王建平,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114274522 A, 授权公告日 2019-12-04.
发明人徐明华,李文辉,赵玉洁. "Method for the Synthesis of 1,1'-(Piperazine-1,4-diyl)bis(2-chloroethanone)" [P]. 中国发明专利, 专利号 CN 114009529 A, 授权公告日 2017-01-07.
Mueller T, O'Brien P Q, Davis P L. "A Process for Preparing High-Purity 1,1'-(Piperazine-1,4-diyl)bis(2-chloroethanone)" [P]. US Patent, US 11221361 B2, 2022-02-09.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2015, 1060, (9), 5587-5610.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2019, 272, (10), 1353-1365.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1,1'-(Piperazine-1,4-diyl)bis(2-chloroethanone) Using HRMS and NMR". Anal. Chem., 2014, 1044, (6), 395-421.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 1855, 2562-2581.