发明人徐明华,陈志强,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111152406 A, 授权公告日 2024-03-21.
发明人李文辉,韩伟,冯建国. "Method for the Synthesis of 4,4-Difluoro-1,2,3,4-tetrahydropyridine" [P]. 中国发明专利, 专利号 CN 112618525 B, 授权公告日 2019-09-14.
发明人孙丽萍,杨光,郑宇鹏. "A Process for Preparing High-Purity 4,4-Difluoro-1,2,3,4-tetrahydropyridine" [P]. 中国发明专利, 专利号 CN 114193330 A, 授权公告日 2016-12-26.
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". Phytochemistry, 2016, 171, (11), 951-979.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 862, (3), 8595-8616.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Difluoro-1,2,3,4-tetrahydropyridine Using HRMS and NMR". Sci. Total Environ., 2016, 457, 207-222.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2020, 1122, 7806-7833.