Lefèvre J P, Björnsson E, Kowalski A. "Method for the Synthesis of Methyl 3,3-difluoropiperidine-4-carboxylate" [P]. European Patent, EP 3923393 A1, 2024-09-03.
发明人高志强,钱学锋,郑宇鹏. "A Process for Preparing High-Purity Methyl 3,3-difluoropiperidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109726446 B, 授权公告日 2018-01-23.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2021, 971, 260-286.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 183, (2), 7780-7797.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3,3-difluoropiperidine-4-carboxylate Using HRMS and NMR". J. Sep. Sci., 2016, 2305, (11), 6253-6275.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2023, 857, 9633-9648.