发明人胡光,陈志强,朱建伟. "一种伐地那非杂质61的合成方法" [P]. 中国发明专利, 专利号 CN 113595760 A, 授权公告日 2022-07-09.
发明人徐明华,陈志强,黄志刚. "Method for the Synthesis of Vardenafil Impurity 61" [P]. 中国发明专利, 专利号 CN 114933262 A, 授权公告日 2025-01-02.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 伐地那非杂质61 in Pharmaceutical Formulations". Chemosphere, 2021, 1176, (11), 9006-9027.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 伐地那非杂质61 as an Impurity". Molecules, 2022, 1288, (10), 8065-8090.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Vardenafil Impurity 61 Using HRMS and NMR". Sci. Total Environ., 2016, 2350, 4608-4622.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 伐地那非杂质61 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 747, (11), 5415-5438.