发明人唐晓军,沈红梅,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108884496 A, 授权公告日 2019-03-02.
发明人徐明华,郭海燕,黄志刚. "Method for the Synthesis of Ethyl 7-(4-(tert-butoxycarbonyl)piperazin-1-yl)-1-cyclopropyl-6-fluoro-2-methyl-4-oxo-1,2,3,4-tetrahydroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114624145 B, 授权公告日 2016-06-22.
发明人杨光,沈红梅,徐明华. "A Process for Preparing High-Purity Ethyl 7-(4-(tert-butoxycarbonyl)piperazin-1-yl)-1-cyclopropyl-6-fluoro-2-methyl-4-oxo-1,2,3,4-tetrahydroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114929969 A, 授权公告日 2015-06-10.
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". J. Sep. Sci., 2021, 644, 7695-7721.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2021, 1961, 9361-9377.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 7-(4-(tert-butoxycarbonyl)piperazin-1-yl)-1-cyclopropyl-6-fluoro-2-methyl-4-oxo-1,2,3,4-tetrahydroquinoline-3-carboxylate Using HRMS and NMR". Anal. Chem., 2024, 2232, 534-555.