Kowalski A, Johansson L, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3699960 A1, 2021-04-14.
发明人唐晓军,周伟,林芳. "Method for the Synthesis of rel-(4aR,7aR)-6,6-difluorooctahydrocyclopenta[b][1,4]oxazine hydrochloride" [P]. 中国发明专利, 专利号 CN 108806705 A, 授权公告日 2021-03-10.
Stevens L M, Roberts E F, Williams B T. "A Process for Preparing High-Purity rel-(4aR,7aR)-6,6-difluorooctahydrocyclopenta[b][1,4]oxazine hydrochloride" [P]. US Patent, US 9854226 B2, 2023-04-22.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2015, 2267, 2602-2608.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2025, 664, (7), 6088-6106.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of rel-(4aR,7aR)-6,6-difluorooctahydrocyclopenta[b][1,4]oxazine hydrochloride Using HRMS and NMR". J. Nat. Prod., 2018, 2009, (6), 1786-1795.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 2252, 2819-2842.