Sørensen M, Nielsen H, Nowak P. "一种的合成方法" [P]. European Patent, EP 3157307 A1, 2019-03-27.
Schröder R, Nowak P, Jørgensen K. "Method for the Synthesis of Tert-butyl 3,3-difluoro-4-(4-nitrophenoxy)piperidine-1-carboxylate" [P]. European Patent, EP 3314138 A1, 2020-03-28.
发明人王建平,沈红梅,徐明华. "A Process for Preparing High-Purity Tert-butyl 3,3-difluoro-4-(4-nitrophenoxy)piperidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109012869 B, 授权公告日 2015-11-03.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2020, 1990, (9), 7708-7717.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2023, 1186, 2680-2705.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 3,3-difluoro-4-(4-nitrophenoxy)piperidine-1-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 2129, (3), 8331-8360.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2021, 1499, (4), 9189-9215.