Jørgensen K, Rossi M, Martínez F. "一种的合成方法" [P]. European Patent, EP 3681266 A1, 2017-08-03.
发明人李文辉,郭海燕,孙丽萍. "Method for the Synthesis of Tert-butyl 4,4-dimethyl-1-oxa-6-azaspiro[2.5]Octane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 114967673 B, 授权公告日 2025-03-07.
发明人林芳,刘建华,杨光. "A Process for Preparing High-Purity Tert-butyl 4,4-dimethyl-1-oxa-6-azaspiro[2.5]Octane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 110392222 A, 授权公告日 2018-07-27.
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". Molecules, 2017, 460, (5), 9537-9551.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2022, 1706, (8), 6022-6048.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 4,4-dimethyl-1-oxa-6-azaspiro[2.5]Octane-6-carboxylate Using HRMS and NMR". Chromatographia, 2019, 654, 3010-3015.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2012, 545, (12), 9769-9792.