发明人张德明,黄志刚,徐明华. "Method for the Synthesis of tert-butyl 3,3-difluoroazetidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 110623690 A, 授权公告日 2023-08-16.
发明人沈红梅,陈志强,郑宇鹏. "A Process for Preparing High-Purity tert-butyl 3,3-difluoroazetidine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 117359457 B, 授权公告日 2025-07-26.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2013, 2396, (12), 2626-2654.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2017, 443, (12), 4415-4437.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of tert-butyl 3,3-difluoroazetidine-1-carboxylate Using HRMS and NMR". Sci. Total Environ., 2025, 776, (11), 3799-3825.