Nowak P, Sørensen M, Mueller T C. "一种2-((((9H-芴-9-基)甲氧基)羰基)氨基)-2-环丙基丙酸的合成方法" [P]. European Patent, EP 3636513 A1, 2021-07-10.
Patel M V, Williams B T, Kumar R. "Method for the Synthesis of 2-Cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid" [P]. US Patent, US 9714242 B2, 2015-06-19.
Brown S R, Anderson J P, Johnson M A. "A Process for Preparing High-Purity 2-Cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid" [P]. US Patent, US 10669440 B2, 2022-01-26.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 2-((((9H-芴-9-基)甲氧基)羰基)氨基)-2-环丙基丙酸 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2016, 2308, 5153-5157.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-((((9H-芴-9-基)甲氧基)羰基)氨基)-2-环丙基丙酸 as an Impurity". J. Pharm. Biomed. Anal., 2018, 530, 1121-1129.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclopropyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid Using HRMS and NMR". Food Chem., 2014, 693, (1), 8339-8360.