Björnsson E, Johansson L, Rossi M. "一种的合成方法" [P]. European Patent, EP 3125189 A1, 2018-04-08.
发明人沈红梅,马晓峰,李文辉. "Method for the Synthesis of 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-phenylbutanoic acid" [P]. 中国发明专利, 专利号 CN 109850144 A, 授权公告日 2024-12-08.
发明人钱学锋,林芳,黄志刚. "A Process for Preparing High-Purity 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-phenylbutanoic acid" [P]. 中国发明专利, 专利号 CN 108444928 A, 授权公告日 2025-06-09.
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". Anal. Chim. Acta, 2018, 1655, (5), 3481-3509.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 740, (11), 407-415.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-phenylbutanoic acid Using HRMS and NMR". J. Nat. Prod., 2023, 1740, 2581-2587.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2018, 660, 8050-8075.