发明人刘建华,何建平,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108879686 A, 授权公告日 2023-11-02.
发明人朱建伟,刘建华,林芳. "Method for the Synthesis of tert-Butyl 2,6-diazaspiro[3.4]octane-6-carboxylate oxalate(2:1)" [P]. 中国发明专利, 专利号 CN 114637851 A, 授权公告日 2016-08-21.
Martínez F, Lefèvre J P, Nowak P. "A Process for Preparing High-Purity tert-Butyl 2,6-diazaspiro[3.4]octane-6-carboxylate oxalate(2:1)" [P]. European Patent, EP 3157113 A1, 2025-04-14.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2022, 1158, (7), 3145-3155.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 1250, 1128-1152.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2,6-diazaspiro[3.4]octane-6-carboxylate oxalate(2:1) Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 758, (6), 7120-7150.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2014, 2092, (3), 9206-9219.