Björnsson E, Lefèvre J P, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3214548 A1, 2023-10-27.
Fischer A B, Thompson G K, Park J H. "Method for the Synthesis of 2,2-dimethoxy-7-azaspiro[3.5]nonane" [P]. US Patent, US 10055062 B2, 2016-05-12.
发明人钱学锋,郑宇鹏,高志强. "A Process for Preparing High-Purity 2,2-dimethoxy-7-azaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 115354190 B, 授权公告日 2024-02-14.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 1157, (1), 8672-8693.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2022, 689, 3821-3830.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2,2-dimethoxy-7-azaspiro[3.5]nonane Using HRMS and NMR". Sci. Total Environ., 2014, 104, (2), 1461-1474.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2025, 603, 5105-5108.