发明人冯建国,高志强,沈红梅. "Method for the Synthesis of Methyl 5,5-difluoropiperidine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113257327 A, 授权公告日 2022-02-15.
发明人黄志刚,罗永刚,何建平. "A Process for Preparing High-Purity Methyl 5,5-difluoropiperidine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114985450 B, 授权公告日 2020-08-01.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2019, 1683, 6608-6638.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2023, 1681, 9959-9976.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5,5-difluoropiperidine-2-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2011, 468, (9), 4168-4180.