发明人罗永刚,徐明华,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110472204 A, 授权公告日 2016-05-14.
发明人冯建国,韩伟,林芳. "Method for the Synthesis of tert-Butyl 6-oxo-8-oxa-2,5-diazaspiro[3.5]nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109712855 B, 授权公告日 2023-02-15.
Yamamoto T, O'Brien P Q, Mueller T. "A Process for Preparing High-Purity tert-Butyl 6-oxo-8-oxa-2,5-diazaspiro[3.5]nonane-2-carboxylate" [P]. US Patent, US 9162424 B2, 2024-01-17.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2025, 89, (2), 9752-9755.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2016, 568, 1417-1424.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 6-oxo-8-oxa-2,5-diazaspiro[3.5]nonane-2-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2010, 698, (8), 310-322.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2015, 2279, (6), 3515-3528.