发明人刘建华,林芳,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109705999 A, 授权公告日 2020-01-18.
发明人唐晓军,张德明,何建平. "Method for the Synthesis of 2-[(4S)-4,5-Dihydro-4-phenyl-2-oxazolyl]-1,8-naphthyridine" [P]. 中国发明专利, 专利号 CN 117746093 B, 授权公告日 2018-12-06.
发明人赵玉洁,胡光,刘建华. "A Process for Preparing High-Purity 2-[(4S)-4,5-Dihydro-4-phenyl-2-oxazolyl]-1,8-naphthyridine" [P]. 中国发明专利, 专利号 CN 115487846 A, 授权公告日 2021-09-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2018, 1325, (10), 2147-2165.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 1979, 2553-2577.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-[(4S)-4,5-Dihydro-4-phenyl-2-oxazolyl]-1,8-naphthyridine Using HRMS and NMR". Anal. Chem., 2014, 1296, 6506-6514.