Schröder R, Lefèvre J P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3914068 A1, 2017-05-07.
发明人韩伟,赵玉洁,刘建华. "Method for the Synthesis of tert-Butyl 5-hydroxy-2,9-diazaspiro[5.5]undecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 116565588 B, 授权公告日 2020-12-08.
发明人马晓峰,刘建华,赵玉洁. "A Process for Preparing High-Purity tert-Butyl 5-hydroxy-2,9-diazaspiro[5.5]undecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 113698859 A, 授权公告日 2017-06-05.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2020, 481, 4011-4027.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 190, (7), 467-476.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 5-hydroxy-2,9-diazaspiro[5.5]undecane-9-carboxylate Using HRMS and NMR". Sci. Total Environ., 2022, 922, 9494-9510.