Williams B T, Chen K W, Hughes D C. "Method for the Synthesis of 2-(4,4-Difluoropiperidin-1-yl)-3-fluoropyridine" [P]. US Patent, US 11647962 B2, 2025-04-03.
发明人高志强,韩伟,马晓峰. "A Process for Preparing High-Purity 2-(4,4-Difluoropiperidin-1-yl)-3-fluoropyridine" [P]. 中国发明专利, 专利号 CN 116818447 B, 授权公告日 2018-11-03.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2025, 1984, 8054-8069.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 567, (8), 838-854.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4,4-Difluoropiperidin-1-yl)-3-fluoropyridine Using HRMS and NMR". Molecules, 2011, 1578, (6), 7782-7790.