Yamamoto T, O'Brien P Q, Mueller T. "Method for the Synthesis of (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2,4-dimethoxybenzyl)propanoic acid" [P]. US Patent, US 11233230 B2, 2021-07-11.
Martínez F, Schröder R, Mueller T C. "A Process for Preparing High-Purity (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2,4-dimethoxybenzyl)propanoic acid" [P]. European Patent, EP 3918397 A1, 2024-08-09.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2016, 1287, 6268-6294.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2024, 1367, 3757-3773.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2,4-dimethoxybenzyl)propanoic acid Using HRMS and NMR". Anal. Methods, 2013, 2170, (4), 1479-1506.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 1213, 9674-9702.