Chen K W, Stevens L M, Schröder R. "Method for the Synthesis of 4-(Dimethylamino)-1-phenylpyrrolidin-2-one" [P]. US Patent, US 11892834 B2, 2022-04-04.
Johansson L, Rossi M, Jørgensen K. "A Process for Preparing High-Purity 4-(Dimethylamino)-1-phenylpyrrolidin-2-one" [P]. European Patent, EP 3595490 A1, 2025-05-16.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2023, 1238, (3), 9706-9726.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2016, 922, (5), 7283-7287.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Dimethylamino)-1-phenylpyrrolidin-2-one Using HRMS and NMR". Chromatographia, 2010, 2335, (7), 1841-1864.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2022, 1233, (11), 6723-6735.