发明人高志强,韩伟,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111930143 A, 授权公告日 2022-06-24.
发明人何建平,周伟,朱建伟. "Method for the Synthesis of Tert-butyl 9-amino-2,2-dimethyl-3-azaspiro[5.5]Undecane-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108409766 A, 授权公告日 2017-10-22.
发明人唐晓军,高志强,胡光. "A Process for Preparing High-Purity Tert-butyl 9-amino-2,2-dimethyl-3-azaspiro[5.5]Undecane-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114607234 A, 授权公告日 2016-03-10.
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". Phytochemistry, 2019, 1358, 729-736.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2010, 926, 7584-7607.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 9-amino-2,2-dimethyl-3-azaspiro[5.5]Undecane-3-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2014, 2421, (5), 6281-6311.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2025, 1685, 7123-7150.