发明人郭海燕,韩伟,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114836136 A, 授权公告日 2020-05-18.
Yamamoto T, Lee S K, Brown S R. "Method for the Synthesis of Tert-butyl 7-hydroxy-5-oxa-2-azaspiro[3.5]Nonane-2-carboxylate" [P]. US Patent, US 11285687 B2, 2016-02-04.
发明人何建平,胡光,罗永刚. "A Process for Preparing High-Purity Tert-butyl 7-hydroxy-5-oxa-2-azaspiro[3.5]Nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110733436 B, 授权公告日 2015-12-06.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2022, 2155, (1), 7942-7964.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2024, 1092, (6), 9846-9873.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 7-hydroxy-5-oxa-2-azaspiro[3.5]Nonane-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2012, 235, (11), 648-671.