Nowak P, Nielsen H, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3516232 A1, 2023-11-04.
Mueller T C, Sørensen M, Lefèvre J P. "Method for the Synthesis of 2-((1S,2R)-2-((tert-butoxycarbonyl)amino)cyclobutyl)acetic acid" [P]. European Patent, EP 3949452 A1, 2021-02-16.
发明人唐晓军,何建平,钱学锋. "A Process for Preparing High-Purity 2-((1S,2R)-2-((tert-butoxycarbonyl)amino)cyclobutyl)acetic acid" [P]. 中国发明专利, 专利号 CN 116314063 A, 授权公告日 2022-01-19.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2023, 2433, (6), 9386-9407.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 2278, (8), 3045-3072.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-((1S,2R)-2-((tert-butoxycarbonyl)amino)cyclobutyl)acetic acid Using HRMS and NMR". Anal. Methods, 2017, 978, (8), 7978-7983.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2016, 512, (3), 2587-2613.