发明人高志强,马晓峰,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110720634 A, 授权公告日 2020-03-07.
发明人郭海燕,孙丽萍,郑宇鹏. "Method for the Synthesis of 1-Oxa-8-azaspiro[4.6]undecane" [P]. 中国发明专利, 专利号 CN 111448399 A, 授权公告日 2017-01-14.
Patel M V, Thompson G K, Roberts E F. "A Process for Preparing High-Purity 1-Oxa-8-azaspiro[4.6]undecane" [P]. US Patent, US 11099604 B2, 2020-06-11.
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". Chromatographia, 2018, 1893, (4), 6400-6412.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 1093, 4513-4531.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-Oxa-8-azaspiro[4.6]undecane Using HRMS and NMR". Sci. Total Environ., 2020, 652, (6), 5756-5771.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2024, 1123, 7308-7315.