发明人孙丽萍,马晓峰,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114775999 A, 授权公告日 2015-08-21.
Björnsson E, Rossi M, Nowak P. "Method for the Synthesis of tert-Butyl 9-hydroxy-2-oxa-5-azabicyclo[4.2.1]nonane-5-carboxylate" [P]. European Patent, EP 3664932 A1, 2015-01-05.
发明人周伟,王建平,罗永刚. "A Process for Preparing High-Purity tert-Butyl 9-hydroxy-2-oxa-5-azabicyclo[4.2.1]nonane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111970269 A, 授权公告日 2021-02-09.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2019, 1222, 79-85.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2017, 625, (6), 7520-7524.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 9-hydroxy-2-oxa-5-azabicyclo[4.2.1]nonane-5-carboxylate Using HRMS and NMR". Anal. Chem., 2018, 1898, 9453-9483.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2021, 2116, 5334-5357.