发明人冯建国,沈红梅,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115615051 A, 授权公告日 2022-12-23.
Yamamoto T, Roberts E F, Kumar R. "Method for the Synthesis of 2-(4,4-Difluoropiperidin-1-yl)-5-(trifluoromethyl)pyridine
1713162-79-8" [P]. US Patent, US 10232436 B2, 2017-02-08.
Fischer A B, Davis P L, Kumar R. "A Process for Preparing High-Purity 2-(4,4-Difluoropiperidin-1-yl)-5-(trifluoromethyl)pyridine
1713162-79-8" [P]. US Patent, US 10519800 B2, 2024-02-23.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 725, 2039-2045.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2020, 1079, 2148-2178.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4,4-Difluoropiperidin-1-yl)-5-(trifluoromethyl)pyridine
1713162-79-8 Using HRMS and NMR". Anal. Chem., 2018, 1047, (2), 5060-5084.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 639, 3244-3271.