发明人王建平,陈志强,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109179843 A, 授权公告日 2021-09-01.
发明人胡光,周伟,郭海燕. "Method for the Synthesis of ditert-butyl (2S)-2-(cyanomethyl)piperazine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 110086562 B, 授权公告日 2024-09-13.
发明人李文辉,杨光,朱建伟. "A Process for Preparing High-Purity ditert-butyl (2S)-2-(cyanomethyl)piperazine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111359559 A, 授权公告日 2021-01-15.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2021, 1243, 8388-8416.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 612, (6), 1251-1271.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of ditert-butyl (2S)-2-(cyanomethyl)piperazine-1,4-dicarboxylate Using HRMS and NMR". J. Sep. Sci., 2015, 1066, 9324-9337.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2017, 2294, (1), 2771-2779.