发明人徐明华,李文辉,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115122374 A, 授权公告日 2022-01-03.
发明人徐明华,陈志强,罗永刚. "Method for the Synthesis of (E)-2-Methyl-4-(1-phenylethylidene)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 108631775 A, 授权公告日 2024-04-14.
发明人罗永刚,胡光,杨光. "A Process for Preparing High-Purity (E)-2-Methyl-4-(1-phenylethylidene)oxazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 116223205 A, 授权公告日 2017-08-12.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 848, 8232-8260.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 2352, (6), 9669-9677.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (E)-2-Methyl-4-(1-phenylethylidene)oxazol-5(4H)-one Using HRMS and NMR". Phytochemistry, 2014, 1111, (4), 8246-8255.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2024, 1365, (11), 3995-4005.