发明人朱建伟,郑宇鹏,马晓峰. "一种4-氧代-1,4-二氢喹啉-2-羧酸乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 113847320 A, 授权公告日 2025-11-02.
发明人杨光,刘建华,徐明华. "Method for the Synthesis of Ethyl 4-oxo-1,4-dihydroquinoline-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115045415 A, 授权公告日 2023-01-09.
发明人冯建国,沈红梅,王建平. "A Process for Preparing High-Purity Ethyl 4-oxo-1,4-dihydroquinoline-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110742828 B, 授权公告日 2019-06-28.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 4-氧代-1,4-二氢喹啉-2-羧酸乙酯 in Pharmaceutical Formulations". Chromatographia, 2015, 563, 2980-2990.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-氧代-1,4-二氢喹啉-2-羧酸乙酯 as an Impurity". Biomed. Chromatogr., 2012, 1893, 1365-1368.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-oxo-1,4-dihydroquinoline-2-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2017, 1544, (6), 8024-8039.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 4-氧代-1,4-二氢喹啉-2-羧酸乙酯 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2025, 1615, (2), 6455-6460.