发明人胡光,黄志刚,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115479609 A, 授权公告日 2018-08-16.
发明人朱建伟,徐明华,唐晓军. "Method for the Synthesis of tert-Butyl 3-hydroxy-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate" [P]. 中国发明专利, 专利号 CN 114102732 A, 授权公告日 2018-03-06.
发明人钱学锋,黄志刚,张德明. "A Process for Preparing High-Purity tert-Butyl 3-hydroxy-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate" [P]. 中国发明专利, 专利号 CN 117677275 B, 授权公告日 2019-11-02.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2016, 2435, (10), 5409-5428.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2016, 324, 8613-8633.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-hydroxy-1-oxa-7-azaspiro[4.4]nonane-7-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2019, 1609, (7), 3653-3677.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2020, 1638, (7), 5280-5310.