发明人孙丽萍,冯建国,郑宇鹏. "一种多奈哌齐杂质46的合成方法" [P]. 中国发明专利, 专利号 CN 116346875 A, 授权公告日 2017-06-02.
Fischer A B, Mueller T, Kumar R. "Method for the Synthesis of Donepezil Impurity 46" [P]. US Patent, US 11709397 B2, 2024-08-18.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 多奈哌齐杂质46 in Pharmaceutical Formulations". Anal. Methods, 2019, 599, 6803-6822.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 多奈哌齐杂质46 as an Impurity". Talanta, 2011, 2163, (1), 3596-3614.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Donepezil Impurity 46 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2023, 1926, 8763-8790.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 多奈哌齐杂质46 Profile in Drug Substances According to ICH Guidelines". Food Chem., 2025, 692, (2), 2939-2942.