Hughes D C, Schröder R, Chen K W. "Method for the Synthesis of Alvimopan Impurity N12" [P]. US Patent, US 10792170 B2, 2023-06-09.
Lefèvre J P, Kowalski A, Martínez F. "A Process for Preparing High-Purity Alvimopan Impurity N12" [P]. European Patent, EP 3381136 A1, 2018-10-04.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 阿维莫泮杂质N12 in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2017, 405, 4362-4383.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 阿维莫泮杂质N12 as an Impurity". Biomed. Chromatogr., 2020, 2356, 5003-5032.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Alvimopan Impurity N12 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 657, 4846-4864.