发明人王建平,马晓峰,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108335151 A, 授权公告日 2024-11-12.
Mueller T C, Kowalski A, Jørgensen K. "Method for the Synthesis of Tert-butyl 4,4-difluoro-2,7-diazaspiro[4.5]Decane-7-carboxylate" [P]. European Patent, EP 3171979 A1, 2023-09-04.
Williams B T, Yamamoto T, Schröder R. "A Process for Preparing High-Purity Tert-butyl 4,4-difluoro-2,7-diazaspiro[4.5]Decane-7-carboxylate" [P]. US Patent, US 9388444 B2, 2019-05-11.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2022, 81, (4), 7494-7507.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 1688, 4754-4775.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 4,4-difluoro-2,7-diazaspiro[4.5]Decane-7-carboxylate Using HRMS and NMR". Food Chem., 2022, 1459, 726-744.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2025, 1361, 5346-5365.