Nowak P, Nielsen H, Sørensen M. "Method for the Synthesis of 4,4-Difluoro-3-(trifluoromethyl)piperidine" [P]. European Patent, EP 3869455 A1, 2024-02-17.
Williams B T, Johnson M A, Brown S R. "A Process for Preparing High-Purity 4,4-Difluoro-3-(trifluoromethyl)piperidine" [P]. US Patent, US 10121977 B2, 2020-11-28.
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". Food Chem., 2011, 605, 3855-3882.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 1429, (12), 1420-1429.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Difluoro-3-(trifluoromethyl)piperidine Using HRMS and NMR". Chemosphere, 2014, 1054, (9), 1011-1036.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2016, 1989, (10), 9626-9637.