Björnsson E, Johansson L, Rossi M. "一种的合成方法" [P]. European Patent, EP 3849495 A1, 2020-09-26.
Johnson M A, Yamamoto T, Roberts E F. "Method for the Synthesis of Tert-butyl 4-(3-ethyl-2-oxoindolin-1-yl)piperidine-1-carboxylate" [P]. US Patent, US 9710980 B2, 2023-03-22.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2020, 604, (2), 2157-2161.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1433, 5615-5637.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 4-(3-ethyl-2-oxoindolin-1-yl)piperidine-1-carboxylate Using HRMS and NMR". J. Sep. Sci., 2023, 2247, (4), 9220-9234.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2019, 321, (8), 2816-2833.