Roberts E F, Fischer A B, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9668297 B2, 2016-12-27.
Williams B T, Chen K W, Thompson G K. "Method for the Synthesis of Tert-butyl (1r)-5-benzyl-4-cyano-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate" [P]. US Patent, US 9700165 B2, 2023-05-16.
发明人罗永刚,李文辉,韩伟. "A Process for Preparing High-Purity Tert-butyl (1r)-5-benzyl-4-cyano-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111325889 A, 授权公告日 2017-07-27.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 839, 246-251.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2018, 934, (5), 7309-7312.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl (1r)-5-benzyl-4-cyano-2,5-diazabicyclo[2.2.1]heptane-2-carboxylate Using HRMS and NMR". Chemosphere, 2017, 2119, 9481-9493.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 2349, (4), 4228-4249.