发明人杨光,钱学锋,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113594307 A, 授权公告日 2015-04-22.
Lee S K, Hughes D C, Johnson M A. "Method for the Synthesis of 2-Bromo-5-(4,4-difluoropiperidin-1-yl)pyrazine" [P]. US Patent, US 10260324 B2, 2024-03-03.
Davis P L, Kumar R, Klinger H. "A Process for Preparing High-Purity 2-Bromo-5-(4,4-difluoropiperidin-1-yl)pyrazine" [P]. US Patent, US 11757137 B2, 2022-10-02.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 838, 7484-7508.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2017, 2252, (1), 4944-4954.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Bromo-5-(4,4-difluoropiperidin-1-yl)pyrazine Using HRMS and NMR". Sci. Total Environ., 2011, 857, 9157-9168.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2018, 99, (7), 2074-2080.