Jørgensen K, Johansson L, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3254466 A1, 2017-07-04.
发明人陈志强,黄志刚,张德明. "Method for the Synthesis of tert-Butyl 2-azaspiro[3.3]heptan-5-ylcarbamate" [P]. 中国发明专利, 专利号 CN 117837165 B, 授权公告日 2020-08-28.
发明人赵玉洁,林芳,冯建国. "A Process for Preparing High-Purity tert-Butyl 2-azaspiro[3.3]heptan-5-ylcarbamate" [P]. 中国发明专利, 专利号 CN 113758716 B, 授权公告日 2023-06-19.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2021, 595, 5493-5503.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2012, 309, (10), 456-469.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 2-azaspiro[3.3]heptan-5-ylcarbamate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 335, (5), 2673-2686.