Kowalski A, Lefèvre J P, Schröder R. "Method for the Synthesis of Ibrutinib Impurity 5" [P]. European Patent, EP 3520590 A1, 2019-11-06.
Patel M V, Schröder R, Mueller T. "A Process for Preparing High-Purity Ibrutinib Impurity 5" [P]. US Patent, US 9310799 B2, 2022-09-25.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 伊布替尼杂质5 in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 689, 7797-7811.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 伊布替尼杂质5 as an Impurity". Anal. Chem., 2017, 1815, (9), 9911-9941.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ibrutinib Impurity 5 Using HRMS and NMR". J. Sep. Sci., 2018, 1061, 8926-8956.