发明人徐明华,钱学锋,何建平. "一种多奈哌齐杂质18的合成方法" [P]. 中国发明专利, 专利号 CN 115348734 A, 授权公告日 2023-04-05.
Björnsson E, Lefèvre J P, Nielsen H. "Method for the Synthesis of Donepezil Impurity 18" [P]. European Patent, EP 3477850 A1, 2024-11-19.
发明人李文辉,罗永刚,高志强. "A Process for Preparing High-Purity Donepezil Impurity 18" [P]. 中国发明专利, 专利号 CN 115729800 A, 授权公告日 2018-12-03.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 多奈哌齐杂质18 in Pharmaceutical Formulations". Chromatographia, 2015, 1171, (5), 6827-6844.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 多奈哌齐杂质18 as an Impurity". J. Agric. Food Chem., 2015, 2004, (7), 1755-1784.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Donepezil Impurity 18 Using HRMS and NMR". Anal. Methods, 2025, 129, (12), 2668-2689.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 多奈哌齐杂质18 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2024, 188, 4112-4136.