发明人钱学锋,胡光,陈志强. "Method for the Synthesis of Ethyl 2-oxo-6-((phenylsulfonyl)methyl)-4-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 113261139 A, 授权公告日 2024-05-21.
发明人罗永刚,徐明华,林芳. "A Process for Preparing High-Purity Ethyl 2-oxo-6-((phenylsulfonyl)methyl)-4-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115457521 B, 授权公告日 2023-10-06.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2020, 2449, (1), 4780-4791.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 1050, 1594-1602.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-oxo-6-((phenylsulfonyl)methyl)-4-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2015, 1808, 7905-7916.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2012, 470, 7427-7432.