Williams B T, Park J H, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9312585 B2, 2023-04-17.
发明人何建平,林芳,黄志刚. "Method for the Synthesis of Tert-butyl 8-oxo-6-thia-2-azaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113345674 A, 授权公告日 2021-05-27.
发明人何建平,钱学锋,王建平. "A Process for Preparing High-Purity Tert-butyl 8-oxo-6-thia-2-azaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117430248 A, 授权公告日 2018-08-03.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2011, 857, (6), 1294-1301.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2013, 2309, (10), 9212-9233.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 8-oxo-6-thia-2-azaspiro[3.4]Octane-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2024, 2288, (8), 3351-3365.