发明人张德明,陈志强,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113335669 A, 授权公告日 2017-09-16.
Martínez F, Schröder R, Johansson L. "Method for the Synthesis of 1,2-Dimethylpiperazine dihydrochloride" [P]. European Patent, EP 3630567 A1, 2017-03-28.
Thompson G K, Patel M V, Klinger H. "A Process for Preparing High-Purity 1,2-Dimethylpiperazine dihydrochloride" [P]. US Patent, US 10614326 B2, 2022-07-11.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2022, 1089, (10), 9869-9883.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2012, 1635, 802-831.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1,2-Dimethylpiperazine dihydrochloride Using HRMS and NMR". Anal. Methods, 2016, 1137, 6998-7006.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2020, 272, (11), 383-404.