发明人张德明,陈志强,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108681423 A, 授权公告日 2020-09-12.
发明人林芳,李文辉,黄志刚. "Method for the Synthesis of Tert-butyl 8-(((benzyloxy)carbonyl)amino)-6-thia-2-azaspiro[3.4]Octane-2-carboxylate 6,6-dioxide" [P]. 中国发明专利, 专利号 CN 108894826 A, 授权公告日 2024-03-24.
Kumar R, Williams B T, Fischer A B. "A Process for Preparing High-Purity Tert-butyl 8-(((benzyloxy)carbonyl)amino)-6-thia-2-azaspiro[3.4]Octane-2-carboxylate 6,6-dioxide" [P]. US Patent, US 9813896 B2, 2023-12-28.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2010, 1325, 6852-6872.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 2003, (7), 5787-5817.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 8-(((benzyloxy)carbonyl)amino)-6-thia-2-azaspiro[3.4]Octane-2-carboxylate 6,6-dioxide Using HRMS and NMR". J. Chromatogr. A, 2024, 1933, (12), 7514-7525.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2017, 2026, (7), 4533-4555.