Lefèvre J P, Kowalski A, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3284200 A1, 2021-02-26.
发明人周伟,沈红梅,韩伟. "Method for the Synthesis of 7,7-Difluoro-5-oxa-2-azaspiro[3.4]octane hydrochloride" [P]. 中国发明专利, 专利号 CN 108061518 B, 授权公告日 2023-01-24.
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". J. Nat. Prod., 2021, 740, 1393-1407.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2012, 1636, (12), 1191-1208.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 7,7-Difluoro-5-oxa-2-azaspiro[3.4]octane hydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2022, 461, (10), 7284-7301.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2015, 811, 5379-5385.