Thompson G K, Fischer A B, Stevens L M. "Method for the Synthesis of 1-(4-{2-[5-(furan-2-yl)-3-(4-methoxyphenyl)-4,5-dihydro-1h-pyrazol-1-yl]-2-oxoethoxy}phenyl)pyrrolidin-2-one" [P]. US Patent, US 9601122 B2, 2024-06-02.
Rossi M, Kowalski A, Nowak P. "A Process for Preparing High-Purity 1-(4-{2-[5-(furan-2-yl)-3-(4-methoxyphenyl)-4,5-dihydro-1h-pyrazol-1-yl]-2-oxoethoxy}phenyl)pyrrolidin-2-one" [P]. European Patent, EP 3924403 A1, 2025-02-13.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2025, 758, 7658-7669.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2014, 2086, (7), 1375-1386.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-{2-[5-(furan-2-yl)-3-(4-methoxyphenyl)-4,5-dihydro-1h-pyrazol-1-yl]-2-oxoethoxy}phenyl)pyrrolidin-2-one Using HRMS and NMR". Talanta, 2018, 253, 5872-5878.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2024, 1550, 8848-8865.