发明人陈志强,何建平,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109816716 A, 授权公告日 2016-11-21.
Lefèvre J P, Jørgensen K, Sørensen M. "Method for the Synthesis of Ethyl 2-((5-(4-(tert-butoxycarbonyl)piperazin-1-yl)pyridin-2-yl)amino)-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate" [P]. European Patent, EP 3760071 A1, 2024-03-17.
发明人沈红梅,马晓峰,韩伟. "A Process for Preparing High-Purity Ethyl 2-((5-(4-(tert-butoxycarbonyl)piperazin-1-yl)pyridin-2-yl)amino)-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 110062579 B, 授权公告日 2020-01-21.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2018, 80, 3230-3239.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2024, 1822, (7), 4996-5009.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-((5-(4-(tert-butoxycarbonyl)piperazin-1-yl)pyridin-2-yl)amino)-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate Using HRMS and NMR". Anal. Chem., 2018, 2080, 6248-6254.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2012, 282, 774-786.