Björnsson E, Martínez F, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3092754 A1, 2022-12-06.
发明人张德明,周伟,黄志刚. "Method for the Synthesis of tert-Butyl 8-oxo-6-azaspiro[3.4]octane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 114755362 A, 授权公告日 2025-03-21.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2015, 1984, (1), 5104-5110.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2025, 2137, 2270-2296.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 8-oxo-6-azaspiro[3.4]octane-6-carboxylate Using HRMS and NMR". Food Chem., 2023, 1007, 6488-6502.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2025, 1178, 2945-2952.