发明人胡光,沈红梅,赵玉洁. "一种他喷他多EP杂质A盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 117946854 A, 授权公告日 2021-08-11.
发明人徐明华,韩伟,高志强. "Method for the Synthesis of Tapentadol EP Impurity A HCl" [P]. 中国发明专利, 专利号 CN 112988780 B, 授权公告日 2020-03-20.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 他喷他多EP杂质A盐酸盐 in Pharmaceutical Formulations". Molecules, 2017, 2158, 7371-7387.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 他喷他多EP杂质A盐酸盐 as an Impurity". Rapid Commun. Mass Spectrom., 2015, 943, 393-416.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Tapentadol EP Impurity A HCl Using HRMS and NMR". Anal. Chim. Acta, 2018, 2005, 2817-2820.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 他喷他多EP杂质A盐酸盐 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2022, 501, 7874-7900.