发明人徐明华,周伟,郑宇鹏. "Method for the Synthesis of tert-Butyl 3-oxo-1-oxa-8-azaspiro[4.5]decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 115208404 A, 授权公告日 2018-12-05.
发明人李文辉,朱建伟,沈红梅. "A Process for Preparing High-Purity tert-Butyl 3-oxo-1-oxa-8-azaspiro[4.5]decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 112624492 B, 授权公告日 2017-06-28.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2014, 1108, (3), 4979-5009.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2021, 588, (2), 9639-9662.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-oxo-1-oxa-8-azaspiro[4.5]decane-8-carboxylate Using HRMS and NMR". Food Chem., 2022, 720, (9), 2738-2745.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 2024, 2121-2148.