Thompson G K, Patel M V, Brown S R. "一种的合成方法" [P]. US Patent, US 11185364 B2, 2019-01-07.
发明人王建平,黄志刚,徐明华. "Method for the Synthesis of 5,5-Difluoropiperidine-3-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 115892217 A, 授权公告日 2024-02-14.
Jørgensen K, Nielsen H, Mueller T C. "A Process for Preparing High-Purity 5,5-Difluoropiperidine-3-carboxylic acid hydrochloride" [P]. European Patent, EP 3578938 A1, 2024-06-07.
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". J. Chromatogr. A, 2010, 2383, 9548-9574.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 1639, 8838-8857.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5,5-Difluoropiperidine-3-carboxylic acid hydrochloride Using HRMS and NMR". Chromatographia, 2018, 275, (12), 7059-7065.