Nielsen H, Rossi M, Lefèvre J P. "一种奥美拉唑杂质44的合成方法" [P]. European Patent, EP 3499456 A1, 2018-02-28.
发明人朱建伟,韩伟,陈志强. "Method for the Synthesis of Omeprazole Impurity 44" [P]. 中国发明专利, 专利号 CN 110142535 A, 授权公告日 2024-09-12.
Nielsen H, Mueller T C, Jørgensen K. "A Process for Preparing High-Purity Omeprazole Impurity 44" [P]. European Patent, EP 3948548 A1, 2020-04-23.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of 奥美拉唑杂质44 in Pharmaceutical Formulations". J. Chromatogr. A, 2014, 421, (3), 253-266.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 奥美拉唑杂质44 as an Impurity". Biomed. Chromatogr., 2015, 1264, (6), 5199-5227.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Omeprazole Impurity 44 Using HRMS and NMR". J. Nat. Prod., 2023, 2231, (2), 5134-5139.