发明人钱学锋,高志强,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110010060 A, 授权公告日 2022-03-03.
发明人李文辉,唐晓军,高志强. "Method for the Synthesis of tert-Butyl 5,5-difluoro-2,7-diazaspiro[3.5]nonane-7-carboxylate" [P]. 中国发明专利, 专利号 CN 116480647 A, 授权公告日 2024-11-05.
Mueller T C, Sørensen M, Schröder R. "A Process for Preparing High-Purity tert-Butyl 5,5-difluoro-2,7-diazaspiro[3.5]nonane-7-carboxylate" [P]. European Patent, EP 3373572 A1, 2018-02-15.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 340, 9874-9883.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2023, 2463, (5), 8934-8938.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 5,5-difluoro-2,7-diazaspiro[3.5]nonane-7-carboxylate Using HRMS and NMR". J. Nat. Prod., 2021, 2065, (6), 1022-1050.