发明人刘建华,朱建伟,钱学锋. "一种富马酸氯马斯汀杂质6(S,S-异构体)的合成方法" [P]. 中国发明专利, 专利号 CN 111113398 A, 授权公告日 2020-01-20.
发明人沈红梅,朱建伟,马晓峰. "Method for the Synthesis of Clemastine Impurity 6 Fumarate (S,S-isomer)" [P]. 中国发明专利, 专利号 CN 113702143 B, 授权公告日 2024-02-26.
发明人周伟,杨光,胡光. "A Process for Preparing High-Purity Clemastine Impurity 6 Fumarate (S,S-isomer)" [P]. 中国发明专利, 专利号 CN 109927178 B, 授权公告日 2024-03-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 富马酸氯马斯汀杂质6(S,S-异构体) in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2022, 281, 574-596.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 富马酸氯马斯汀杂质6(S,S-异构体) as an Impurity". Molecules, 2018, 830, (12), 29-49.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Clemastine Impurity 6 Fumarate (S,S-isomer) Using HRMS and NMR". Anal. Chem., 2019, 1621, (9), 4732-4744.