Jørgensen K, Mueller T C, Schröder R. "一种的合成方法" [P]. European Patent, EP 3067711 A1, 2018-07-01.
发明人陈志强,李文辉,赵玉洁. "Method for the Synthesis of Tert-butyl (3R,6S)-6-(aminomethyl)-1,1-difluoro-5-azaspiro[2.4]Heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116229693 B, 授权公告日 2022-09-12.
Lefèvre J P, Schröder R, Nielsen H. "A Process for Preparing High-Purity Tert-butyl (3R,6S)-6-(aminomethyl)-1,1-difluoro-5-azaspiro[2.4]Heptane-5-carboxylate" [P]. European Patent, EP 3799755 A1, 2021-04-21.
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". Food Chem., 2023, 1900, (11), 6285-6292.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2019, 230, 565-571.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl (3R,6S)-6-(aminomethyl)-1,1-difluoro-5-azaspiro[2.4]Heptane-5-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 942, (2), 4025-4041.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2017, 1228, (10), 240-265.