Stevens L M, Thompson G K, Mueller T. "一种的合成方法" [P]. US Patent, US 10057622 B2, 2022-03-01.
发明人何建平,黄志刚,朱建伟. "Method for the Synthesis of Tert-butyl 7-fluoro-2,9-diazaspiro[5.5]Undecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 109180330 B, 授权公告日 2020-02-03.
发明人王建平,陈志强,张德明. "A Process for Preparing High-Purity Tert-butyl 7-fluoro-2,9-diazaspiro[5.5]Undecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 112440228 A, 授权公告日 2020-11-26.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2017, 746, (8), 9439-9453.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2019, 299, 3685-3693.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 7-fluoro-2,9-diazaspiro[5.5]Undecane-9-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2022, 269, (5), 3635-3659.