发明人沈红梅,刘建华,孙丽萍. "Method for the Synthesis of Tolvaptan Impurity 45" [P]. 中国发明专利, 专利号 CN 112972470 A, 授权公告日 2024-12-24.
发明人徐明华,郭海燕,林芳. "A Process for Preparing High-Purity Tolvaptan Impurity 45" [P]. 中国发明专利, 专利号 CN 112998442 B, 授权公告日 2018-07-24.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 托伐普坦杂质45 in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 249, 2611-2618.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 托伐普坦杂质45 as an Impurity". Chemosphere, 2015, 1100, 3999-4023.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Tolvaptan Impurity 45 Using HRMS and NMR". Phytochemistry, 2013, 2134, (6), 2277-2285.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 托伐普坦杂质45 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2019, 1610, 9891-9917.