发明人杨光,王建平,郭海燕. "一种伊布替尼杂质N21的合成方法" [P]. 中国发明专利, 专利号 CN 111596167 A, 授权公告日 2015-12-28.
发明人杨光,胡光,徐明华. "Method for the Synthesis of Ibrutinib Impurity N21" [P]. 中国发明专利, 专利号 CN 108579260 B, 授权公告日 2021-03-18.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 伊布替尼杂质N21 in Pharmaceutical Formulations". Phytochemistry, 2011, 82, 3552-3574.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 伊布替尼杂质N21 as an Impurity". Chromatographia, 2013, 1263, (12), 525-546.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Ibrutinib Impurity N21 Using HRMS and NMR". Talanta, 2025, 1662, 5591-5621.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 伊布替尼杂质N21 Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2025, 1602, 5129-5152.