Nielsen H, Sørensen M, Johansson L. "Method for the Synthesis of 4-(Piperazine-1-carbonyl)-1-(3-(trifluoromethyl)phenyl)pyrrolidin-2-one hydrochloride" [P]. European Patent, EP 3973946 A1, 2022-07-25.
Stevens L M, Mueller T, Johnson M A. "A Process for Preparing High-Purity 4-(Piperazine-1-carbonyl)-1-(3-(trifluoromethyl)phenyl)pyrrolidin-2-one hydrochloride" [P]. US Patent, US 10562660 B2, 2025-04-27.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2018, 1946, 6576-6600.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2022, 2400, (7), 577-604.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Piperazine-1-carbonyl)-1-(3-(trifluoromethyl)phenyl)pyrrolidin-2-one hydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2017, 1932, 7253-7273.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2018, 1053, (9), 5664-5674.