Kowalski A, Schröder R, Jørgensen K. "Method for the Synthesis of (1S,2S)-2-(((tert-butoxycarbonyl)amino)methyl)cyclobutane-1-carboxylic acid" [P]. European Patent, EP 3704808 A1, 2024-11-03.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2017, 1988, (12), 4988-5011.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 844, (6), 6044-6068.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (1S,2S)-2-(((tert-butoxycarbonyl)amino)methyl)cyclobutane-1-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2021, 583, 7845-7860.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2020, 1522, (10), 8589-8610.