发明人朱建伟,张德明,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112222103 A, 授权公告日 2025-01-22.
Kowalski A, Björnsson E, Jørgensen K. "Method for the Synthesis of 7,7-Difluoro-5-thia-2-azaspiro[3.4]Octane" [P]. European Patent, EP 3920967 A1, 2021-02-22.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2014, 96, 2059-2069.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2018, 1837, 1881-1895.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 7,7-Difluoro-5-thia-2-azaspiro[3.4]Octane Using HRMS and NMR". Talanta, 2016, 256, 4828-4844.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 1746, (5), 5742-5746.