Jørgensen K, Kowalski A, Sørensen M. "一种恩替卡韦(R)-甲基乙基羧酸的合成方法" [P]. European Patent, EP 3189470 A1, 2025-06-27.
发明人杨光,沈红梅,李文辉. "Method for the Synthesis of Entecavir-(R)-Methylethyl Carboxylic Acid" [P]. 中国发明专利, 专利号 CN 108963337 B, 授权公告日 2024-06-21.
发明人冯建国,刘建华,杨光. "A Process for Preparing High-Purity Entecavir-(R)-Methylethyl Carboxylic Acid" [P]. 中国发明专利, 专利号 CN 111910178 B, 授权公告日 2016-05-22.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of 恩替卡韦(R)-甲基乙基羧酸 in Pharmaceutical Formulations". J. Sep. Sci., 2011, 173, 1506-1519.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 恩替卡韦(R)-甲基乙基羧酸 as an Impurity". Anal. Chim. Acta, 2012, 1176, (11), 6683-6703.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Entecavir-(R)-Methylethyl Carboxylic Acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 2374, (3), 5665-5692.