Park J H, Kumar R, Mueller T. "一种的合成方法" [P]. US Patent, US 11496334 B2, 2023-10-05.
发明人郭海燕,唐晓军,韩伟. "Method for the Synthesis of Tert-butyl (R)-5-methyl-2,7-diazaspiro[3.5]Nonane-7-carboxylate" [P]. 中国发明专利, 专利号 CN 109879237 B, 授权公告日 2023-01-25.
Björnsson E, Johansson L, Jørgensen K. "A Process for Preparing High-Purity Tert-butyl (R)-5-methyl-2,7-diazaspiro[3.5]Nonane-7-carboxylate" [P]. European Patent, EP 3037330 A1, 2017-04-26.
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". J. Pharm. Biomed. Anal., 2025, 2190, (12), 503-525.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2017, 349, (5), 4860-4879.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl (R)-5-methyl-2,7-diazaspiro[3.5]Nonane-7-carboxylate Using HRMS and NMR". Chromatographia, 2022, 1863, 2080-2108.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2021, 563, 2458-2486.