Williams B T, Hughes D C, Chen K W. "Method for the Synthesis of (E)-1-cyclopropyl-3-((dimethylamino)methylene)piperidine-2,4-dione" [P]. US Patent, US 9161980 B2, 2016-08-13.
Roberts E F, Park J H, Patel M V. "A Process for Preparing High-Purity (E)-1-cyclopropyl-3-((dimethylamino)methylene)piperidine-2,4-dione" [P]. US Patent, US 11681235 B2, 2017-07-20.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2022, 2344, (12), 9711-9725.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 2230, 253-274.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of (E)-1-cyclopropyl-3-((dimethylamino)methylene)piperidine-2,4-dione Using HRMS and NMR". Environ. Sci. Technol., 2021, 2468, (12), 3021-3025.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2013, 2088, 7965-7982.